News & Analysis as of

Patent Trial and Appeal Board Pfizer Patent Litigation

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

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

Jones Day

PTAB Declines To Enter Adverse Judgment Against Pre-Institution Disclaimed Claims

Jones Day on

Although the Federal Circuit had previously held that the PTAB may enter adverse judgment when a patent owner disclaims all claims challenged in an inter partes review (“IPR”) petition before an institution decision, in...more

McDonnell Boehnen Hulbert & Berghoff LLP

Pfizer Inc. v. Chugai Pharmaceuticals Co. (Fed. Cir. 2020)

The Federal Circuit continued its explication of the standing issue for unsuccessful petitioners in inter partes review (see "Argentum Pharmaceuticals LLC v. Novartis Pharmaceuticals Corp. (Fed. Cir. 2020)") in Pfizer Inc. v....more

Goodwin

Federal Circuit Finds Pfizer’s RUXIENCE Plans Insufficient to Establish Standing to Appeal IPR

Goodwin on

On April 27, 2020, the Federal Circuit issued a non-precedential opinion ruling that Pfizer failed to establish Article III standing in a pair of IPR appeals.  At the PTAB, Pfizer had challenged the validity of Chugai’s...more

Goodwin

Biosimilar-Related Appeals Pending before the Federal Circuit

Goodwin on

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

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

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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

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Life Sciences Report - July 2017 #3

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. PTAB Petition: IPR2017-01115; filed March 24, 2017....more

Fish & Richardson

Pfizer Takes Aim at Herceptin® Patent at the PTAB

Fish & Richardson on

Pfizer has shown its muscle in the biosimilars field, purchasing Hospira in 2015 and launching the second biosimilar on the U.S. market, Inflectra® (infliximab), a biosimilar of Johnson & Johnson’s Remicade®. Pfizer is now...more

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