News & Analysis as of

Patent Trial and Appeal Board Pfizer Pharmaceutical Industry

Venable LLP

Federal Circuit Affirms PTAB’s Unpatentability Findings in Gene Therapy Hemgenix® IPRs

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On May 22, 2025, the CAFC affirmed the PTAB’s (Board) Final Written Decisions in Pfizer’s IPR2021-00925 and IPR2021-00926 finding all challenged claims of uniQure’s U.S. Patent No. 9,982,248 (“the ’248 patent”) unpatentable...more

Knobbe Martens

Routine Optimization of Result-Effective Variable Can Bridge Gaps in Prior Art

Knobbe Martens on

PFIZER INC. v. SANOFI PASTEUR INC. - Before Lourie, Bryson, and Stark.  Appeal from the Patent Trial and Appeal Board....more

McDonnell Boehnen Hulbert & Berghoff LLP

Pfizer Inc. v. Sanofi Pasteur Inc. (Fed. Cir. 2024)

Last week, the Federal Circuit handed down its opinion in Pfizer Inc. v. Sanofi Pasteur Inc., affirming the Patent Trial and Appeal Board's (PTAB) determination that all claims of U.S. Patent No. 9,492,559 challenged in...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

Goodwin

Federal Circuit Affirms PTAB Finding that Rituxan® Biogen Patent is Invalid

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As we previously reported, in October 2018, Pfizer persuaded the Patent Trial and Appeal Board (PTAB) that the claims of Biogen’s U.S. Patent No. 8,821,873, directed to a method of treating lymphoma with anti-CD20 antibodies...more

Herbert Smith Freehills Kramer

Biosimilar Litigation Trends and Lessons Learned in 2019

It has been nearly 10 years since the U.S. Biosimilars Pathway (the Biologics Price Competition and Innovation Act) was enacted. The first biosimilar product in U.S. history was approved and launched in 2015. Ten biosimilars...more

Goodwin

Biosimilar-Related Appeals Pending before the Federal Circuit

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There are presently seven biosimilar-related appeals pending before the Federal Circuit. Two of those appeals, Amgen v. Sandoz (Case No. 18-1551) and Amgen v. Coherus (Case No. 18-1993), are from district court judgments in...more

Goodwin

Trastuzumab IPR Updates

Goodwin on

Last month, the PTAB issued decisions on two petitions, IPR2017-02063 and IPR2018-00016, filed by Pfizer against one of Genentech’s Herceptin® (trastuzumab) patents, U.S. Patent No. 7,846,441 (“the ‘441 patent”). The ‘441...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Life Sciences Report - February 2018

About the PTAB Life Sciences Report: periodically, we will report on developments at the PTAB involving life sciences patents. Mylan Pharmaceuticals, Inc. v. Sanofi Aventis Deutschland GmbH - PTAB Petition: ...more

Fish & Richardson

The Herceptin® Battle Moves into the District Court

Fish & Richardson on

On November 17, 2017, Genentech filed suit against Pfizer in the District of Delaware, alleging that Pfizer’s biosimilar of Herceptin® infringes forty Genentech patents covering Herceptin® and its methods of use and...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Life Sciences Report - November 2017

About the PTAB Life Sciences Report: Each month we will report on developments at the PTAB involving life sciences patents. Pfizer Inc. v. Biogen, Inc and Genentech, Inc. PTAB Petition: IPR2017-02126; filed October 6,...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Life Sciences Report - October 2017

About the PTAB Life Sciences Report:  Each month we will report on developments at the PTAB involving life sciences patents. Sun Pharmaceuticals Industries, Ltd. v. Novartis AG - PTAB Petition: IPR2017-01929; filed...more

Goodwin

Recent IPR Updates

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The PTAB has been a busy place for biologics patents in the past few weeks. Here are some of the highlights...more

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