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Inter Partes Review (IPR) Proceeding Patent Litigation Pfizer

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

Jones Day

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

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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On April 27, 2020, the Federal Circuit issued a non-precedential opinion ruling that Pfizer failed to establish Article III standing in a pair of IPR appeals.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 Appellate Roundup: Upcoming Oral Arguments and Decisions

Goodwin on

On December 6, 2019, the Federal Circuit will hear oral argument in a rituximab-related appeal by Biogen.  The appeal stems from a final written decision of the Patent Trial and Appeal Board (PTAB) in an inter partes review...more

Goodwin

United States Intervenes in Genentech Constitutional Challenge

Goodwin on

We have covered Pfizer’s development of biosimilars of Genentech’s Avastin® (bevacizumab) and Herceptin® (trastuzumab) and its related IPR filings IPR2016-01771 and IPR2016-01837. Following written decisions invalidating...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

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 - 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

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

Goodwin

Pfizer Files Two Petitions for IPR of Chugai Pharmaceutical’s Protein Purification Patents

Goodwin on

Pfizer, Inc. has filed two petitions for IPR of Chugai Pharmaceuticals’s patents: IPR2017-01357 on U.S. Patent 7,332,289 and IPR2017-01358 on U.S. Patent 7,927,815. According to the petitions, both patents are directed to...more

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