News & Analysis as of

Patent Infringement Patent Litigation Sanofi

Venable LLP

Spotlight On: Prolia® / Xgeva® (denosumab) / Jubbonti® / Wyost® (denosumab-bbdz) / Ospomyv™ / Xbryk™ (denosumab-dssb) / Stoboclo®...

Venable LLP on

Denosumab Challenged Claim Types in Litigation: Claims are counted in each litigation, so claims from the same patent challenged in multiple litigations are counted more than once. Within each litigation a claim is counted...more

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

Venable LLP

Spotlight On: Biosimilar Litigations - April 2025

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Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...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 & Emery

Beware Enablement of Genus Antibody Claims

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit invalidated yet another set of antibody genus claims, finding the case “materially indistinguishable” from those in the 2023 Supreme Court of the United States case, Amgen v....more

Wilson Sonsini Goodrich & Rosati

Broad Genus Patents Must Be Enabled over the Full Scope of the Claims

Amgen Inc. et al. v. Sanofi et al., No. 22-157 (U.S. 2023) - The U.S. Supreme Court, in a unanimous decision, has affirmed the Federal Circuit’s decision invalidating Amgen’s patent claims covering a genus of antibodies...more

Axinn, Veltrop & Harkrider LLP

The Supreme Court Hears Arguments About the Enablement Standard in Amgen v. Sanofi

The Supreme Court heard arguments this week in Amgen v. Sanofi, the closely-watched case involving the enablement standard for patent claims, particularly as applied to functionally-defined genus claims. The question raised...more

Sterne, Kessler, Goldstein & Fox P.L.L.C.

Amgen Inc. v. Sanofi Live Coverage

On Monday, March 27, 2023, at 10:00 a.m. EDT, the Supreme Court of the United States will hear oral arguments in Amgen Inc. v. Sanofi, No. 21-757. William H. Milliken, a director in Sterne Kessler’s Trial & Appellate Practice...more

Goodwin

Amgen v. Sanofi Praulent® Litigation Once Again on Appeal before the Federal Circuit

Goodwin on

We have previously reported on the Amgen v. Sanofi Praulent® litigation, which has been ongoing since late 2014. After the parties stipulated to infringement, a jury in the District of Delaware found in favor of Amgen and the...more

Goodwin

Motion For Summary Judgement of Invalidity Denied in Praluent® Litigation

Goodwin on

On January 18, 2019, in Amgen v. Sanofi, the ongoing litigation concerning Sanofi and Regeneron’s Praluent® (alirocumab) product, Judge Andrews of the District of Delaware denied Sanofi’s motion for summary judgment that the...more

Robins Kaplan LLP

Sanofi v. Lupin Atl. Holdings S.A.

Robins Kaplan LLP on

Case Name: Sanofi v. Lupin Atl. Holdings S.A., Civ. No. 15-415-RGA (consol.), 2017 U.S. Dist. LEXIS 174931 (D. Del. Oct. 23, 2017) (Andrews, J.)....more

Goodwin

Sanofi/Regeneron Move for Summary Judgment of Invalidity in Dupixent® Patent Litigation

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, the Defendants moved for summary judgment of invalidity of...more

Robins Kaplan LLP

Sanofi v. Watson Labs. Inc.

Robins Kaplan LLP on

Case Name: Sanofi v. Watson Labs. Inc., Nos. 875 F.3d 636, Nos. 2016-2722, 2016-2726, 2017 U.S. App. LEXIS 22438 (Fed. Cir. Nov. 9, 2017) (Circuit Judges Prost, Wallach, and Taranto presiding; Opinion by Taranto, J.) (Appeal...more

Patterson Belknap Webb & Tyler LLP

Claims Against Sanofi for Improper Orange Book Listings and Sham Litigation Dismissed

On January 10, 2018, in In re Lantus Direct Purchaser Antitrust Litig., the District Court for the District of Massachusetts dismissed the antitrust case against Sanofi-Aventis U.S. LLC (“Sanofi”), the manufacturer of Lantus...more

K&L Gates LLP

Antibody Patents Are Not Immune to § 112: Amgen Inc. v. Sanofi, Aventisub LLC

K&L Gates LLP on

In Amgen v. Sanofi, the Federal Circuit held that evidence that first came into existence after the priority date may be considered in determining whether a genus patent claim satisfies the written description requirement...more

Goodwin

Federal Circuit vacates injunction against sale of Praluent®

Goodwin on

As we reported earlier this year, on January 6, 2017, Judge Robinson of the District of Delaware entered a permanent injunction prohibiting the sale of Sanofi and Regeneron’s Praluent® (alirocumab) product after the...more

Goodwin

Sanofi & Regeneron Seek to Assert Inequitable Conduct Defense in Dupilumab Patent Litigation

Goodwin on

As we previously reported, Immunex sued Sanofi and Regeneron earlier this year in the Central District of California alleging that the sale of Sanofi and Regeneron’s FDA-approved Dupixent® (dupilumab) product would infringe...more

Robins Kaplan LLP

Sanofi v. Lupin Atlantis Holdings SA

Robins Kaplan LLP on

Case Name: Sanofi v. Lupin Atlantis Holdings SA, Civ. No. 15-415-RGA, 2017 U.S. Dist. LEXIS 10653 (D. Del. Jan. 26, 2017) (Andrews, J.). Drug Product and U.S. Patent: Multaq® (dronedarone tablets); U.S. Patent No....more

Robins Kaplan LLP

Sanofi v. Glenmark Pharms. Inc.

Robins Kaplan LLP on

Case Name: Sanofi v. Glenmark Pharms. Inc., Civ. No. 14-264-RGA (Consolidated), 2016 U.S. Dist. LEXIS 116950 (D. Del. August 31, 2016) (Andrews, J.) - Drug Product and Patent(s)-in-Suit: Multaq® (dronedarone); U.S....more

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