News & Analysis as of

Patent Trial and Appeal Board Sanofi Inter Partes Review (IPR) Proceeding

Venable LLP

Spotlight On: Lantus® / Lantus® SoloSTAR® (insulin glargine recombinant) / Basaglar® (insulin glargine) / Semglee® (insulin...

Venable LLP on

Insulin Glargine 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

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

McDermott Will & Schulte

Optimizing Obviousness: Routine Optimization Can Fill in Prior Art Gaps

In an appeal from a Patent Trial & Appeal Board finding of invalidity, the US Court of Appeals for the Federal Circuit held that the result-effective variable doctrine can apply even when there is no overlap between a claimed...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

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

PTAB Issues Final Written Decisions Finding Two Of Sanofi’s Lantus Patents Invalid

Goodwin on

Yesterday, December 12, 2018, the Board issued Final Written Decisions finding Claims 1-25 of U.S. Patent No. 7,476,652 (IPR2017-01526) and Claims 1-20 of U.S. Patent No. 7,713,930 (IPR2017-01528) unpatentable as obvious over...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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