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Inter Partes Review (IPR) Proceeding Patent Litigation Sanofi

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

Federal Circuit Affirms PTAB Finding that Dupixent® Immunex Patent is Obvious

Goodwin on

As previously reported, in February 2019, the Patent Trial and Appeal Board issued final written decisions in two IPR proceedings initiated by Sanofi challenging the U.S. Patent No. 8,679,487 (the ’487 patent) owned by...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

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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