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Category: BPCIA

The Supreme Court’s interpretation of the biosimilars statute and the value of certainty

In Sandoz v. Amgen, the Supreme Court interpreted the U.S. biosimilars statute, the Biologics Price Competition and Innovation Act (BPCIA), for the first time. The Court held unanimously that provisions of the BPCIA requiring disclosure allowing innovator companies to assess whether their patents are infringed cannot be enforced under federal law. The ruling also allows biosimilar makers to provide notice of commercial marketing long before FDA approval of the biosimilar. The Court’s decision introduces uncertainty into provisions of the BPCIA that many viewed as necessary and enforceable. But, due to the value of certainty for both biosimilar makers and innovators alike in resolving patent disputes for blockbuster biologics, the impact of the Supreme Court’s decision may ultimately be modest.

To read the article by Irena Royzman and Nathan Monroe-Yavneh in Nature Biotechnology, please click here.

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Amgen and Genentech Break New Ground in Avastin Biosimilar Dispute

Amgen and Genentech have become embroiled in a novel procedural dispute relating to Mvasi, Amgen’s biosimilar of Genentech’s Avastin (bevacizumab).  On October 6, in a complaint filed in the Central District of California, Amgen brought an action seeking a declaratory judgment that 27 of Genentech’s patents are not infringed, invalid, and unenforceable.  Amgen’s suit appears to be the first post-approval declaratory judgment action brought by a biosimilar applicant under the young U.S. biosimilar statute, the Biologics Price Competition and Innovation Act (BPCIA). Shortly after Amgen filed its declaratory judgment action, Genentech filed its own suit in the District of Delaware, alleging that Amgen had failed to honor promises made during the pre-suit BPCIA process and infringed Genentech’s patents.  Amgen then promptly moved to transfer the Delaware case to California. Genentech then filed another complaint in the District of Delaware, followed by another Amgen motion to transfer.

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Following Biosimilar Trial, Jury Awards Amgen $70 Million for Pfizer’s Pre-Approval Infringement of Now-Expired EPO Patent

In one of the first Biologics Price Competition and Innovation Act (BPCIA) litigations to reach trial, a jury on Friday awarded Amgen $70 million in damages for Pfizer’s infringement of one of Amgen’s expired patents protecting Epogen®.  The jury found that Pfizer’s subsidiary Hospira, in manufacturing its proposed biosimilar ahead of FDA approval, was not protected by the statutory safe harbor, 35 U.S.C. § 271(e)(1).  This action provides an important lesson in the potential value of expired or soon-to-expire patents in BPCIA litigation.  Because a biosimilar maker’s pre-approval activity may not be covered by the statutory safe harbor, patents that are expired at the time of approval may still have been infringed. 

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FDA Approves First Avastin Biosimilar

FDA announced Thursday that it has approved Mvasi (bevacizumab-awwb), Amgen and Allergan’s biosimilar of Genentech’s Avastin (bevacizumab), a monoclonal antibody used in the treatment of a number of different cancers. Mvasi is the seventh biosimilar approved in the United States under the BPCIA and the first biosimilar approved by FDA for cancer treatment. Mvasi was approved for all six indications of Avastin that are not protected by orphan drug exclusivities, with Avastin’s other indications protected by exclusivities expiring in 2021 and 2023.

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New Biosimilar Litigation Reflects Benefits of Complying with BPCIA

On August 2, AbbVie sued Boehringer in the District of Delaware, alleging infringement of multiple patents related to AbbVie’s blockbuster biologic Humira (adalimumab). Though AbbVie has “more than 100 issued United States patents” that protect Humira and says that Boehringer infringes 74 of them, AbbVie explains that it was only able to assert 8 of the patents against Boehringer in its complaint.  As AbbVie explains, Boehringer was able to limit the scope of litigation to 8 patents by complying with the procedures of the Biologics Price Competition and Innovation Act of 2009 (“BPCIA”).

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Coherus Asks Court to Stay BPCIA Litigation After FDA Rejects its Neulasta Biosimilar

Many biosimilar makers have tried and failed to obtain approval for biosimilar versions of Amgen’s Neulasta (pegfilgrastim), a long-acting version of Amgen’s Neupogen (filgrastim).  Coherus BioSciences, Inc. is the latest biosimilar maker to encounter such hurdles.  FDA denied Coherus’s biosimilar application in June, pushing any approval of the proposed biosimilar back by at least a year.  Coherus was forced to lay off a third of its workforce after FDA’s rejection of the application.  On Tuesday, it asked a federal court to stay the BPCIA litigation recently brought against it by Amgen.  Coherus seeks to stay discovery until resolution of its pending motion to dismiss to allow it to conserve resources while preparing to resubmit its biosimilar application.

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First U.S. Avastin and Herceptin Biosimilars

On Thursday, July 13, 2017, FDA’s Oncological Drugs Advisory Committee (ODAC) unanimously recommended approval of biosimilars of two blockbuster cancer drugs.  The first, Amgen and Allergan’s ABP-215, is a proposed biosimilar of Roche/Genentech’s Avastin (bevacizumab), a monoclonal antibody used in the treatment of a number of different cancers.  The second, Mylan and Biocon’s MYL-1401O, is a proposed biosimilar of Roche/Genentech’s monoclonal antibody Herceptin (trastuzumab), a drug used in the treatment of HER2+ breast and gastric cancer.  If, as expected, the drugs receive final FDA approval, each of these drugs will be the first U.S. biosimilar for its respective reference product. 

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The Travails of the First U.S. EPO Biosimilar

Pfizer’s proposed biosimilar of Amgen’s Epogen® and Johnson & Johnson’s Procrit® (epoetin alfa) is poised to be the first erythropoietin (EPO) biosimilar in the U.S.  FDA staff recommended approval of Pfizer’s product as a biosimilar for the four indications of Epogen/Procrit.  On May 25, 2017, FDA’s advisory committee agreed with that assessment, but FDA did not approve Pfizer’s product following the meeting.  Instead, in a first for biosimilar products, FDA issued a complete response letter in June rejecting Pfizer’s EPO biosimilar application for a second time.  Pfizer revealed that FDA did not approve the application after the advisory committee meeting due to FDA’s concerns with a manufacturing site for the EPO biosimilar.  Pfizer’s product may not be approved, much less launched, this year due to outstanding manufacturing issues.

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High Court Interprets The Biosimilars Statute — What Now?

On Monday, the U.S. Supreme Court issued its first interpretation of the biosimilars statute, the Biologics Price Competition and Innovation Act of 2009. The BPCIA, part of Obamacare, introduced an abbreviated pathway for regulatory approval of biosimilars, allowing biosimilars to piggyback on the regulatory data of innovator biologics for their approval.

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Supreme Court Decides Amgen v. Sandoz: Patent Dance Cannot Be Enforced by Federal Injunction, Notice of Commercial Marketing Can Be Given at Any Time

On June 12, 2017, the Supreme Court decided Amgen v. Sandoz, the landmark case about the meaning of the Biologics Price Competition and Innovation Act (BPCIA). First, the Supreme Court held that no federal injunction is available to force biosimilar applicants to participate in the BPCIA’s patent dispute resolution procedures (a/k/a the patent dance); but it remanded to the Federal Circuit to address whether such an injunction is available under state law.  Second, the Court held that under the BPCIA, a biosimilar applicant may provide 180-day notice of commercial marketing before the biosimilar product is licensed, meaning that as a practical matter, the 180-day notice period need not affect the timing of the biosimilar product’s launch.   

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Part III: Stakeholder Comments on FDA’s Interchangeability Guidance for Biosimilars

This post, Part III, of a three-part series (Part I and Part II) on FDA’s interchangeability draft guidance highlights a number of open issues that stakeholders have identified in their comments to FDA.  These include the naming and labeling for interchangeable products as well as the relationship between multiple interchangeable products for the same reference product.  Biosimilar makers also wanted FDA to make clear that physician-mediated switching is possible for non-interchangeable biosimilar products even if pharmacy-level substitution is not.  A number of patient groups, by contrast, expressed concern that payers were in effect mandating pharmacy-level substitution for non-interchangeable biosimilars by taking innovator products off formularies.

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    Part II: Stakeholder Comments on FDA’s Interchangeability Guidance for Biosimilars

    This post, Part II, of a three-part series (Part I) on FDA’s interchangeability draft guidance, highlights the key issues that were raised in the stakeholder comments provided to FDA.  FDA received 52 comments in total from a variety of stakeholders, including patients, physicians, insurers, innovators and biosimilar makers.  The stakeholders were divided in their views in a number of areas.  Patient and physician groups and innovators urged FDA to adopt more stringent requirements for interchangeability assessments.  Biosimilar makers and insurers, by contrast, generally pressed for a loosening of the guidance provided by FDA as well as clarification that interchangeable biosimilar products were not more similar to the innovator product than the non-interchangeable ones.  The comments also raised a number of issues not addressed by the guidance, which will be discussed in the third post in this series. 

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    Part I: Stakeholder Comments on FDA’s Interchangeability Guidance for Biosimilars

    The comment period for FDA’s draft guidance Considerations in Demonstrating Interchangeability With a Reference Product closed on Friday, May 19, 2017.  Innovators, biosimilar makers, patients, healthcare providers and other stakeholders have weighed in on the long-awaited guidance.  Interchangeable biosimilars, unlike other biosimilars, may be substituted for the innovator product without the intervention of the healthcare provider who prescribed the innovator product.  FDA’s guidance for interchangeable biosimilars is thus particularly important to stakeholders.  This post, Part I of a three-part series, provides an overview of the key provisions of the guidance.  Parts II and III will focus on the comments from stakeholders and open issues. 

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    Update on Biosimilar Approvals and Pending Applications in Europe and the U.S.

    Approvals of biosimilar products in Europe continue to outpace those in the United States.  28 biosimilars are currently approved in Europe and five in the U.S.  In 2017, the European Medical Agency has approved six biosimilar applications, including applications for biosimilars to two of the best-selling complex biologics, Humira (adalimumab) and MabThera (rituximab).  EMA is likely to approve seven more biosimilar applications in the coming months.  The Food and Drug Administration in turn has approved one biosimilar this year, and has scheduled an advisory committee meeting for later this month for Pfizer’s proposed biosimilar of Amgen’s EPO (epoetin alfa), which the agency previously rejected.  Proposed biosimilars of complex biologics in a number of new classes are pending before both agencies at the same time.

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    100 Days Plus Under Trump: What They Mean for Biologics

    President Donald J. Trump has now been in office for just over one hundred days.  Observers have been quick to mark this milestone and assess the new administration’s performance, especially on headline-grabbing issues like immigration and foreign policy. Amidst the hubbub, however, few have commented on how President Trump’s opening moves could affect the multi-billion-dollar biologics industry.  President Trump’s actions during his first hundred days on issues like trade, judges, and healthcare have the potential to shape the biologics industry for innovators and biosimilar makers alike for years to come.

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    Republican Healthcare Bill Would Leave BPCIA Untouched

    In public debates over the Affordable Care Act (ACA), also known as Obamacare, biosimilars are rarely, if ever, mentioned.  But the U.S. biosimilar statute, the Biologics Price Competition and Innovation Act (BPCIA), was in fact enacted as part of Obamacare — specifically, as Title VII to the ACA.  Although the BPCIA is no longer politically controversial, it could, at least theoretically, be swept up in a blanket repeal of Obamacare, if a bill repealing the ACA did not contain an appropriate carve-out.  

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    Hurdles for Neulasta Biosimilars

    A number of biosimilar makers have tried to obtain approval for proposed biosimilar versions of Amgen’s Neulasta (pegfilgrastim), a long-acting version of Amgen’s Neupogen (filgrastim), but have encountered hurdles so far both in the U.S. and Europe.

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    Supreme Court Grants Cert in Amgen v. Sandoz

    Today, the Supreme Court granted Sandoz’s petition for certiorari and Amgen’s cross-petition for certiorari in Amgen v. Sandoz, case nos. 15-1039 and 15-1195. The two cases were consolidated, and an hour was allotted for oral argument. This case will be the Supreme Court’s first interpreting the Biologics Price Competition and Innovation Act (BPCIA).

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    FDA Issues Final Guidance Requiring Meaningless Suffixes for Biosimilar Names

    Despite nearly universal opposition from both biosimilar makers and innovator companies, FDA has issued final guidance adopting its controversial August 2015 proposal for naming biologics.  Under the guidance adopted by FDA, the nonproprietary name of a biologic will consist of the core nonproprietary name of the originator product plus a meaningless but distinguishable suffix of four lowercase letters unique to each product.

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    Biosimilars in Europe: 2016 Year in Review and What’s Ahead

    Europe’s biosimilar market continues to develop, with biosimilars in new classes approved and pending in applications before the European Medicines Agency (EMA).  The EMA has approved four additional biosimilars in 2016, including three biosimilars in two new classes: a biosimilar of Amgen’s Enbrel (etanercept) and two biosimilars of Sanofi’s Clexane (enoxaparin sodium).  In addition to the now 22 approved biosimilars, 16 additional biosimilar applications are under evaluation by the EMA with 12 of the 16 falling in four new product classes: biosimilars of Amgen’s Neulasta (pegfilgrastim), Genentech’s Herceptin (trastuzumab), Roche’s MabThera (rituximab) and AbbVie’s Humira (adalimumab).  While Europe’s biosimilar pathway offers important lessons for the U.S., the Food and Drug Administration (FDA) is setting its own path.  Two of the four biosimilars approved in the U.S., Sandoz’s biosimilar of Amgen’s Enbrel and Amgen’s biosimilar of AbbVie’s Humira, were approved in the U.S. without any prior approval in Europe.  The FDA has also rejected applications for proposed biosimilars with authorization and marketing experience in Europe, making clear that approval in Europe will not necessarily result in approval in the U.S.   

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    U.S. Biosimilars Pathway Under Trump

    This week’s election of Donald Trump as the next President of the United States undoubtedly impacts many sectors of the American economy, and the bio/pharmaceutical industry is no exception.  Two of Trump’s stated policies might bear directly on how biologics will be protected and litigated in this country and abroad: the repeal of the Affordable Care Act of 2010 (ACA), also known as Obamacare, and the repudiation of the Trans-Pacific Partnership (TPP).

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    FDA Says BPCIA Poses No Fifth Amendment Taking for Innovator Biologics Submitted Prior to Its Enactment

    On the same day that FDA approved the first biosimilar of Humira, the fourth biosimilar to be approved in the U.S., it also denied a citizen petition filed by Abbott Laboratories (now AbbVie) requesting that FDA not accept any filing or approve any application for a biosimilar version of Humira® (adalimubab), AbbVie’s best-selling biologic, or any other product for which a biologics license application (BLA) was submitted to FDA prior to March 23, 2010, the date on which the Biologics Price Competition and Innovation Act (BPCIA) was signed into law.  AbbVie argued that to accept or approve any such biosimilar filing would constitute an unconstitutional taking under the Fifth Amendment.  AbbVie filed its petition in April 2012, long before any biosimilar was approved in the U.S. and before Amgen filed its biosimilar application for Humira with FDA.  All four of the U.S. biosimilars approved to date have relied on BLAs submitted to FDA prior to March 23, 2010.  

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    Humira Biosimilar Approved As Litigation Gets Going

    The FDA on Friday approved the first U.S. biosimilar of Humira (adalimumab), AbbVie’s best-selling biologic for treatment of inflammatory conditions.  The biosimilar, Amgen’s Amjevita (adalimumab-atto), received approval for all of the indications requested by Amgen:  in adults, moderately to severely active rheumatoid arthritis, active psoriatic arthritis, active ankylosing spondylitis, moderately to severely active Crohn’s disease, moderately to severely active ulcerative colitis, and moderate to severe plaque psoriasis, and in patients four years of age and older, moderately to severely active polyarticular juvenile idiopathic arthritis.  Amjevita is the fourth FDA-approved biosimilar in the U.S.  As noted by the FDA, Amjevita has been approved as a biosimilar of Humira, not an interchangeable product.  Amgen also submitted its Humira biosimilar for review by the European Medicines Agency in December 2015, but the EMA has yet to issue a decision.

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    Apotex Prevails in Neulasta Biosimilar Litigation, Files for Cert on 180-Day Issue

    Among the first generation of biosimilar litigation under the Biologics Price Competition and Innovation Act (BPCIA) is a dispute between Amgen and Apotex over Apotex’s proposed biosimilar versions of Amgen’s Neupogen (filgrastim) and Neulasta (pegfilgrastim).  That dispute has resulted in the first final judgment in a BPCIA lawsuit.  Earlier this month, Judge James Cohn of the Southern District of Florida ruled after a consolidated bench trial addressing both products that Apotex’s biosimilar applications did not infringe Amgen’s sole remaining patent, U.S. Patent No. 8,952,138 (the ‘138 patent). Meanwhile, Apotex, which remains subject to an injunction prohibiting it from marketing its biosimilar products for 180 days after they are approved, has filed a petition for a writ of certiorari to the United States Supreme Court challenging that injunction.

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    Amgen’s Federal Circuit Appeal: the Importance of Manufacturing Information to Biosimilar Litigation

    Amgen has filed its appeal brief in Amgen v. Hospira, following the Federal Circuit’s denial of Hospira’s motion to dismiss the appeal for lack of jurisdiction.  The appeal presents an important question for biosimilar litigation:  where biosimilar applicants fail to provide manufacturing information in the pre-litigation information exchanges of the Biologics Price Competition and Innovation Act (BPCIA), are they required to provide that information in litigation even if it is irrelevant to the asserted patents?  The question is particularly important because if the answer is no as the district court held, then innovator companies will be forced to assert manufacturing patents that they do not know to be infringed in order to be able to obtain discovery to evaluate their infringement.  Amgen also addresses whether the Federal Circuit has jurisdiction to hear the appeal under either the collateral order doctrine or the All Writs Act.

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    Amgen’s Federal Circuit Appeal to Address Important BPCIA Disclosure Issue

    The Federal Circuit has now issued two decisions interpreting the Biologics Price Competition and Innovation Act of 2009 (BPCIA).  In Amgen v. Sandoz, the first decision to interpret the BPCIA, the majority held that biosimilar makers could opt out of the first step of the BPCIA’s pre-litigation disclosures, the provision requiring biosimilar makers to provide the innovator company with their abbreviated Biologics License Application (aBLA) and other manufacturing information describing the processes used to make the proposed biosimilar.  The court held that the innovator company could sue under the BPCIA in such circumstances and obtain the needed information in discovery.  In its second decision, Amgen v. Apotex, the court further buttressed its reasoning as to why the first step of the BPCIA’s pre-litigation provisions was optional.  Amgen now appeals a discovery ruling in its biosimilar litigation with Hospira holding that Amgen v. Sandoz does not require Hospira to produce manufacturing information for its proposed biosimilar of Amgen’s Epogen (epoetin alfa).   Hospira moved to dismiss the appeal as premature.  The Federal Circuit denied the motion and is allowing the appeal to proceed on the merits while at the same time requiring the parties to further address jurisdictional issues.  

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    US Biosimilar Pathway Update

    Six years after the biosimilar pathway was enacted into law, FDA has approved three biosimilars for marketing in the US.  Sandoz’s Zarxio, a biosimilar of Amgen’s Neupogen, was the first biosimilar to be approved.  Zarxio, a relatively simple biologic, was approved in March 2015 under the Biologics Price Competition and Innovation Act of 2009 (BPCIA).  This year, FDA approved two complex biologics, Celltrion and Pfizer’s Inflectra, a biosimilar of Janssen’s Remicade, and Sandoz’s Erelzi, a biosimilar of Amgen’s Enbrel.  FDA staff and its arthritis advisory committee also recommended approval of Amgen’s proposed biosimilar of AbbVie’s Humira.  On the other hand, Sandoz revealed in July that its biosimilar application for Amgen’s Neulasta, a long-acting version of Neupogen, had been rejected by FDA and Hospira did the same last year for its biosimilar application for Amgen’s EPO.  Although the approvals (and rejections) provide significant insights as to FDA’s requirements, there are no simple lessons to be drawn.

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    Enbrel Biosimilar Approved in US But Enjoined For Now

    On August 30 FDA approved Sandoz Inc.’s biosimilar of Enbrel (etanercept), Amgen Inc.’s blockbuster biologic for treatment of moderate to severe rheumatoid arthritis and a number of other autoimmune conditions.  The biosimilar, Erelzi (etanercept-szzs), is the third biosimilar approved for marketing in the US under the Biologics Price Competition and Innovation Act of 2009 (BPCIA).  Erelzi has been approved for all of Enbrel’s indications and is the first U.S. biosimilar of etanercept. 

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    The Ripple Effect of the Federal Circuit’s Decision in Amgen v. Apotex on Biosimilar Litigation

    In July, the Federal Circuit decided Amgen v. Apotex, No. 2016-1308 (Fed, Cir. July 5, 2016), its second decision interpreting the U.S. biosimilar statute, the Biologics Price Competition and Innovation of Act of 2009 (BPCIA).  The Federal Circuit affirmed the district court’s preliminary injunction barring Apotex from selling its proposed biosimilar until 180 days after post-licensure notice of first commercial marketing.  The Federal Circuit held that 180 days’ notice was mandatory regardless of whether the biosimilar maker provided its regulatory application to the innovator as prescribed at the outset of the BPCIA procedures or not.  The decision has impacted other district court litigation, including the Janssen v. Celltrion/Hospira and Amgen v. Hospira cases, since the biosimilar makers in those cases also argued that they did not need to provide 180 days’ notice of commercial marketing after being licensed by FDA.

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    Amgen and Hospira Square Off Over BPCIA Private Right of Action After Amgen v. Apotex Ruling

    Amgen and Hospira have fired off a dueling letters to the court in their litigation over Amgen's Epogen biosimilar, debating whether the U.S. biosimilar statute, the Biologics Price Competition and Innovation Act of 2009 (BPCIA), contains a private right of action.  The letters come in the wake of the Federal Circuit’s Amgen v. Apotex decision, which held that the BPCIA’s 180-day notice of commercial marketing provision is mandatory and enforceable by an injunction.  

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    Federal Circuit Decides Amgen v. Apotex, Holds that 180-Day Notice of Commercial Marketing is Always Mandatory in Biosimilar Litigation

    Today, the Federal Circuit decided Amgen v. Apotex, No. 2016-1308 (Fed. Cir. July 5, 2016), its second decision interpreting the U.S. biosimilar statute, the Biologics Price Competition and Innovation of Act of 2009 (BPCIA).  The Federal Circuit affirmed the district court’s preliminary injunction barring Apotex from selling its proposed biosimilar on the U.S. market during the 180-day post-approval notice of commercial marketing period.  Writing for a unanimous panel that also included Judges Wallach and Bryson, Judge Taranto held that “the commercial marketing provision is mandatory and enforceable by injunction even for an applicant in Apotex’s position.”

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    Apotex Drops Sham Litigation Counterclaims in Neupogen and Neulasta Biosimilar Litigation

    In a consolidated litigation in the Southern District of Florida involving Apotex’s proposed biosimilars of Amgen’s Neupogen, an anti-infection drug for cancer patients, and of Amgen’s Neulasta, a long-acting version of Neupogen, Apotex participated in the pre-suit information exchanges of the BPCIA, agreed with Amgen as to what patents should be asserted in the BPCIA’s immediate litigation phase but then counterclaimed that Amgen engaged in sham litigation by bringing suit on one of the agreed patents.  With trial to begin in July, Apotex recently stipulated to dismissal of its sham litigation counterclaims, leaving for another case the question of whether a biosimilar maker can both agree as to which patents to litigate in the immediate litigation phase and sustain a claim of sham litigation against the innovator for asserting agreed patents.  

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    Full Federal Circuit Denies En Banc Review of Jurisdictional Decision with Important Implications for BPCIA Litigation

    On June 20, 2016, the full Federal Circuit declined to rehear Acorda Therapeutics Inc. v. Mylan Pharms. Inc., 817 F.3d 755 (Fed. Cir. 2016) en banc. Acorda affirmed two District of Delaware decisions finding specific jurisdiction over Mylan Pharms., an out-of-state ANDA filer, based on its plans to sell its proposed generic drugs in Delaware. After the Supreme Court’s decision in Daimler AG v. Bauman, 134 S.Ct. 746 (2014), Mylan has argued that it could only be sued in its home state of West Virginia in ANDA cases since future sales of its proposed generic drugs could not confer specific jurisdiction in Delaware.  The Federal Circuit disagreed.  Under Acorda, plaintiffs in ANDA cases as well as in cases brought under the Biologics Price Competition and Innovation Act (BPCIA) can bring suit in their forum of choice based on future sales of proposed generic or biosimilar products so long as considerations of fairness, such as efficiency or undue burden, do not render jurisdiction in the forum unreasonable.  

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    Amgen Appeals Ruling on Requirement to Produce Manufacturing Information for a Biosimilar Product under Amgen v. Sandoz

    Amgen has appealed a partial denial of its motion to compel in Amgen v. Hospira, which sought discovery of the formulation for the cell culture media that Hospira uses to manufacture its proposed biosimilar of Amgen’s Epogen. Judge Andrews of the District of Delaware granted Amgen’s motion to the extent it sought information relevant to infringement of an asserted patent, but did not agree with Amgen’s broader argument that disclosure of manufacturing information was required under the Federal Circuit’s decision in Amgen v. Sandoz, which held that an innovator company can commence suit when a biosimilar maker fails to provide required information under the statutory process set forth in the Biologics Price Competition and Innovation Act of 2009 (BPCIA) and “access the required information through discovery.”  Amgen’s discovery dispute with Hospira represents an important lesson in the aftermath of Amgen v. Sandoz.  Innovator companies that assert only a subset of their manufacturing patents, as Amgen did, may only be able to obtain discovery relevant to those patents.  As a result, innovator companies may choose to assert all of their manufacturing patents in order to obtain manufacturing information that biosimilar makers fail to provide under the BPCIA.

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    Supreme Court Asks Solicitor General to Weigh In on Amgen v. Sandoz

    Today, the Supreme Court deferred a decision on certiorari in Amgen v. Sandoz, inviting the Solicitor General to file a brief expressing the views of the United States. Sandoz petitioned for review of one aspect of the Federal Circuit’s 2015 decision, that court’s first and so far only interpretation of the Biologics Price Competition and Innovation Act of 2009 (BPCIA), and Amgen filed a conditional cross-petition asking for review of another aspect of the decision if Sandoz’s petition were granted.  The Supreme Court’s order asks the Solicitor General to comment on both petitions.

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    Update on Naming Biosimilars

    Last year, FDA published a draft guidance recommending that the nonproprietary names of biologics, including biosimilars, should consist of “core names” along with unique suffixes that are “devoid of meaning.” In a recent notice in the Federal Register, FDA stated that it will allow biologics sponsors to submit ten suggested suffixes for their products under FDA’s proposed naming scheme.  This new recommendation represents a change from last year’s guidance, which invited sponsors to submit three suggested suffixes.

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    FDA Announces Approval of Second U.S. Biosimilar

    On April 5, the FDA announced the approval of Inflectra, Celltrion and Pfizer’s biosimilar of Johnson & Johnson’s Remicade (infliximab).  Inflectra is now the second biosimilar approved for sale in the United States, after Sandoz’s Zarxio. Inflectra’s label and naming reflect the latest FDA guidance.

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    Update on Enbrel Biosimilar and Related US Litigation

    Amgen’s Enbrel (etanercept), a blockbuster biologic treatment for a number of autoimmune diseases, including rheumatoid arthritis and psoriasis, has been an attractive target for biosimilar makers.  Sandoz, the maker of Zarxio (filgrastim-sndz), the only biosimilar launched in the US to date, is also first in line with an Enbrel biosimilar in the US.  Last October, Sandoz announced that FDA accepted its regulatory application for a proposed Enbrel biosimilar for review.  Sandoz is seeking marketing approval for all of Enbrel’s medical indications.  But Sandoz’s proposed Enbrel biosimilar brought litigation under the US biosimilars statute, the Biologics Price Competition and Innovation Act of 2009 (BPCIA).

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    Amgen Opposes Sandoz’s BPCIA Cert Petition and Files Conditional Cross-Petition on Patent Dance

    Amgen has fired back in response to Sandoz’s cert petition in Amgen v. Sandoz, arguing that the Supreme Court should not hear the case—but that if it does, it should also review the Federal Circuit’s holding on the Biologics Price Competition and Innovation Act’s (BPCIA’s) “patent dance.”  Though Amgen declined to seek cert on the patent dance issue, which it lost at the Federal Circuit, it has now filed a conditional cross-petition on that issue along with its opposition to Sandoz’s petition for review of the Federal Circuit’s holding on the BPCIA’s notice of commercial marketing.

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    Federal Circuit's Jurisdictional Decision for ANDA Cases Has Important Implications for BPCIA Litigation

    The Federal Circuit affirmed two decisions by the District of Delaware to assert personal jurisdiction in ANDA cases over West Virginia-based manufacturer Mylan.  Mylan had argued that it could only be sued in West Virginia in ANDA cases post the Supreme Court's decision in Daimler AG v. Bauman, 134 S.Ct. 746 (2014) because such cases are litigated before actual sales of its generic drug product are made in Delaware (and elsewhere).  The Federal Circuit grounded its rejection of Mylan's approach on Mylan's filing of its ANDAs with the clear intent to market its proposed generic drugs in Delaware upon FDA approval, as well as the injury Mylan would cause in Delaware through such sales.  Under the Federal Circuit's decision, plaintiffs in ANDA and BPCIA cases can obtain jurisdiction over defendants in their forum of choice based on defendants' regulatory filings with the intent to market their proposed products so long as consideration of fairness, such as undue burden on defendants, do not render jurisdiction in the chosen forum unreasonable.

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    Sandoz Sued for Cutting Short BPCIA “Patent Dance” for Neulasta Biosimilar

    In the latest skirmish between Amgen and Sandoz under the U.S. biosimilars statute, the Biologics Price Competition and Innovation Act of 2009 (BPCIA), Amgen has filed a new declaratory judgment claim alleging violations of the BPCIA.  As described in Amgen’s March 4 complaint, after filing an application for a biosimilar version of Amgen’s cancer drug Neulasta, Sandoz cut short the BPCIA patent dance and demanded that Amgen file an immediate patent infringement suit, claiming that Amgen would otherwise lose its rights to seek lost profits and injunctive relief.  Amgen responded with a suit for a declaration that it had no obligation to go forward with the immediate litigation phase of the BPCIA after Sandoz cut off the pre-suit procedures.

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    Sandoz Seeks Cert on 180-Day Issue in Amgen v. Sandoz

    Sandoz has filed a petition for a writ of certiorari in Amgen v. Sandoz, the first and, to date, only Federal Circuit decision interpreting the Biologics Price Competition and Innovation Act (BPCIA).  Sandoz is challenging the Federal Circuit's ruling that biosimilar applicants must observe a 180-day notice period after their products are approved by the FDA.   

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    AbbVie Submits Citizen Petition on Interchangeable Biosimilars

    AbbVie, Inc., a biopharmaceutical company, has submitted a citizen petition to the FDA regarding determinations of interchangeability under the BPCIA.  An interchangeable biological product is biosimilar to a reference product and meets additional, heightened standards for interchangeability.  While biosimilars are required to be highly similar to an FDA-approved reference product, an interchangeable biological product is expected to produce the same clinical result as the reference product in any given patient.  A determination of interchangeability is significant because an interchangeable biological product may be substituted for a reference product by a pharmacist without requiring permission from the physician who prescribed the reference product.  While the FDA approved the first biosimilar biological product in early 2015, it has yet to issue a decision that one biological product is “interchangeable” with another.

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    The US Biosimilars Pathway: Key Questions

    In 2015, FDA issued a number of final guidance documents for biosimilars but many fundamental questions remain unsettled, including the requirements for labeling of biosimilars, interchangeability, and naming.   There is much ahead for the US biosimilars pathway in 2016.

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    The US Biosimilar Pathway: What’s Ahead

    2015 was a landmark year for biosimilars.  It began with the approval of the first US biosimilar, Sandoz’s Zarxio, in March 2015 under the biosimilars pathway.  Zarxio entered the US market in September.  Many expected the floodgates to open after Zarxio’s approval but Zarxio remains the only approved US biosimilar to this day, although that is expected to change this year.  Seven other biosimilar applications were filed in 2014/2015 and are either being reviewed by FDA or have to be refiled.  Most of these applications are to complex biologics.  2016 should provide significant insights into how FDA determines biosimilarity and extrapolation for these complex products.

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