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Patent Litigation Mylan Pharmaceuticals Patent Trial and Appeal Board

Goodwin

PTAB Issues Final Written Decisions Finding Claims of Aflibercept-related Patents Invalid

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On January 9, 2024, the PTAB issued final written decisions in IPR2022-01225 and IPR2022-01226, filed by Mylan on two Regeneron patents directed to dosing of aflibercept — U.S. Patent Nos. 10,130,681 and 10,888,601. The PTAB...more

Knobbe Martens

Federal Circuit Review - November 2023

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Federal Circuit Orders District Court to Consider Extrinsic Evidence in Claim Construction - In Actelion Pharmaceuticals Ltd. v. Mylan Pharmaceuticals Inc., Appeal No. 22-1889, the Federal Circuit held that where a...more

Goodwin

Samsung Bioepis Files IPR Petition Challenging Regeneron Aflibercept Patent

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​​​​​​​On August 18, Samsung Bioepis Co., Ltd. (“Samsung Bioepis”), filed a petition for Inter Partes Review, IPR2023-01312, challenging the validity of claims 1-18 of U.S. Patent No. 10,464,992, assigned to Regeneron...more

Sheppard Mullin Richter & Hampton LLP

Sanofi-Aventis Deutschlan GMBH v. Mylan Pharmaceuticals Inc.

The Federal Circuit reversed a Patent Trial and Appeal Board (“Board”) decision finding the challenged claims of Sanofi-Aventis’ ’614 patent unpatentable as obvious....more

Goodwin

Update: Post-Trial Briefing in Regeneron v. Mylan Aflibercept BPCIA Case Now Complete

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​​​​​​​We previously reported on the opening post-trial briefs in Regeneron’s BPCIA case against Mylan and Biocon (who was added as a defendant after the original defendant, Mylan, transferred its rights to the aflibercept...more

Knobbe Martens

Analogous Art Must Be Compared to the Challenged Patent

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In Sanofi-Aventis Deutschland GmbH v. Mylan Pharm. Inc., Case No. 2021-1981, the Federal Circuit reversed an obviousness determination by the PTAB. At issue was Sanofi’s reissued U.S. Patent No. RE47,614 (the ’614 patent),...more

McDermott Will & Emery

Analogous Art Must Be Compared to Challenged Patent

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The US Court of Appeals for the Federal Circuit reversed a Patent Trial & Appeal Board obviousness decision, finding that a prior art reference relating to automotive engine parts was not analogous art to the challenged...more

Goodwin

Aflibercept IPRs Update

Goodwin on

​​​​​​​On March 10, 2023, the PTAB denied institution of IPR2022-1524, filed by Apotex Inc. regarding Regeneron’s Patent No. 11,253,572. As we previously reported, Apotex filed an IPR petition against the ’572 patent in...more

WilmerHale

PTAB/USPTO Update - March 2023

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The USPTO published Revision 07.2022 of the Ninth Edition of the Manual of Patent Examining Procedure (MPEP). A change summary is available here....more

Goodwin

Celltrion and Samsung File IPR Petitions on Aflibercept Patents

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​​​​​​​Celltrion and Samsung recently filed IPR petitions challenging claims of Regeneron patents directed to treating angiogenic eye disorders with aflibercept. Specifically, Celltrion and Samsung have each filed petitions...more

Goodwin

PTAB Issues Final Written Decisions Finding Claims of Regeneron’s Aflibercept Patents Invalid

Goodwin on

On November 9, 2022, the PTAB issued final written decisions in IPR2021-00880 and IPR2021-00881, filed by Mylan on two Regeneron patents related to aflibercept—U.S. Patent Nos. 9,254,338 and 9,669,069. The PTAB ruled in...more

BakerHostetler

Federal Circuit Develops the ‘At Once Envisage’ Standard of Anticipation and Affirms the Importance of Specialized Considerations...

BakerHostetler on

Anticipation of a claim generally requires that a single prior art reference explicitly discloses each and every claim element. However, absent an express teaching in the prior art, a claim may also be anticipated if it is...more

McDermott Will & Emery

For Inherent Anticipation, How Many Is Too Many?

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) decision that prior art disclosing a class of 957 salts could not inherently anticipate claims to a salt within the class because...more

Fish & Richardson

Federal Circuit Affirms PTAB’s Final Written Decision that Merck’s Claimed Inventions Were Not “At Once Envisaged” From the Prior...

Fish & Richardson on

​​​​​​​Sixty years ago, the Federal Circuit’s predecessor court, the Court of Customs and Patent appeals, considered whether the prior art disclosure of a chemical genus anticipated species falling within the scope of that...more

Knobbe Martens

Federal Circuit Review - December 2021

Knobbe Martens on

Ranges for Interdependent and Interactive Components Can Be Tricky to Derive - In Modernatx, Inc. v. Arbutus Biopharma Corporation, Appeal No. 20-2329, the Federal Circuit held that a presumption of obviousness based on...more

Goodwin

Year in Review: Top Legal Developments of 2021 Impacting Biosimilars

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As we close out another calendar year, we look back at the top legal developments of 2021 that could influence the market for biologics and biosimilars. There were many interesting decisions and other developments in district...more

WilmerHale

Federal Circuit Patent Watch - December 2021 #2

WilmerHale on

Precedential Federal Circuit Opinions - TEVA PHARMACEUTICALS USA v. CORCEPT THERAPEUTICS, INC. [OPINION] (2021-1360, 12/07/2021) (MOORE, NEWMAN, and REYNA) -   Moore, C.J. The Court affirmed the PTAB’s IPR decision...more

Goodwin

Mylan Invalidates Another LANTUS Patent at the PTAB

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On March 26, 2021, the PTAB issued its Final Written Decision in Mylan Pharmaceuticals, Inc. v. Sanofi-Aventis Deutschland GMBH, IPR2019-01657, which involved Sanofi’s Patent RE47,614 (“’614 patent”) relating to its LANTUS...more

Morrison & Foerster LLP - Federal Circuitry

Order of Interest – Can You Challenge The Denial Of Institution Without Showing A Deprivation Of Life, Liberty, Or Property?

Originating tribunal: Patent Trial and Appeal Board - Date: March 12, 2021 - Panel: Judges Newman, Moore, and Stoll, with Judge Moore writing the precedential order - Result: Appeal dismissed, and mandamus...more

Knobbe Martens

Federal Circuit Cannot Review Denial of Institution of IPR, Unless Extraordinary Circumstances Are Shown

Knobbe Martens on

MYLAN LABS. LTD. v. JANSSEN PHARMACEUTICA, N.V. Before Newman, Moore, and Stoll. Appeal from the Patent Trial and Appeal Board. Summary: The Federal Circuit lacks jurisdiction over appeals from decisions denying...more

McDonnell Boehnen Hulbert & Berghoff LLP

Biogen Int'l GmBH v. Mylan Pharmaceuticals Inc. (N.D.W. Va. 2020)

The written description requirement has had a twenty-five year renaissance, particularly in the chemical and biotechnology arts as a way of restricting claim scope to what an inventor has actually invented (see Regents of the...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Life Sciences Report - February 2020

About the PTAB Life Sciences Report:  We will periodically report on developments at the PTAB involving life sciences patents. Abbott Laboratories v. Edwards Lifesciences Corp. PTAB Petition:  IPR2020-00480; filed January...more

Jones Day

Preemptive Declaratory Judgment Invalidity Counterclaims Trigger Statutory Bar

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Last year, this blog discussed various strategic considerations for litigants seeking declarations of invalidity in district court actions to avoid being precluded from also seeking inter partes or other post-grant review...more

K&L Gates LLP

St. Regis Mohawk Tribe Petition for Centiorari Denied

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On April 15, 2019, the Supreme Court of the United States denied the petition for certiorari filed by the St. Regis Mohawk Tribe....more

Knobbe Martens

Federal Circuit Review - February 2019

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PTAB May Invalidate Claims on Reconsideration Based on Grounds Raised in the Institution Decision that Were Not Originally Instituted - In AC Technologies S.A., V. Amazon.Com, Inc., Blizzard Entertainment, Inc., Appeal No....more

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