News & Analysis as of

Pharmaceutical Patents Sanofi Inter Partes Review (IPR) Proceeding

Venable LLP

Spotlight On: Humira® (adalimumab) / Amjevita™ (adalimumab-atto) / Cyltezo® (adalimumab-adbm) / Hyrimoz™ (adalimumab-adaz) /...

Venable LLP on

Adalimumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...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

Litigation Update: Sanofi’s Summary Judgment Motion Denied, Immunex Renews Its Motion to Stay Pending IPR in Dupixent® Patent...

Goodwin on

Following up on our previous coverage of Immunex’s patent infringement suit against Sanofi related to Immunex’s Dupixent® (dupilumab) biologic, Judge Otero recently denied Sanofi’s motion for summary judgement of invalidity...more

Goodwin

Immunex Files Reply In Support of Motion To Stay Dupixent® Patent Litigation

Goodwin on

In the ongoing Immunex v. Sanofi patent litigation regarding Immunex’s claims of infringement against Sanofi and Regeneron’s Dupixent® (dupilumab) product, Immunex has filed a reply brief in support of its motion to stay the...more

Goodwin

Immunex Moves To Stay Dupixent® Patent Litigation Pending IPR

Goodwin on

Last week, in the ongoing Immunex v. Sanofi patent litigation regarding Immunex’s claims of infringement against Sanofi and Regeneron’s Dupixent® (dupilumab) product, Immunex moved to stay the litigation pending resolution of...more

Goodwin

Immunex Files Complaint Against Sanofi and Regeneron

Goodwin on

On April 5, Immunex (a wholly-owned subsidiary of Amgen) filed a complaint against Sanofi and Regeneron related to Sanofi and Regeneron’s Dupixent® (dupilumab) product, which received FDA approval last week. Immunex’s...more

Patterson Belknap Webb & Tyler LLP

Four Years of IPRs: Lessons from Proceedings for the Cabilly II Patent

It has been four years since the first inter partes review proceedings were filed in the United States. The first IPR petition, filed on September 16, 2012 (the first day IPRs became available), made it all the way to the...more

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