News & Analysis as of

Patent-in-Suit Doctrine of Equivalents

Robins Kaplan LLP

Alcon Inc. v. Padagis Israel Pharms. Ltd.

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Simbrinza® (brinzolamide / brimonidine) - Case Name: Alcon Inc. v. Padagis Israel Pharms. Ltd., Civ. No. 22-1422-WCB, 2025 WL 457119 (D. Del. Feb. 5, 2025) (Bryson, C.J.)  Drug Product and Patent(s)-in-Suit:  Simbrinza®...more

Robins Kaplan LLP

Azurity Pharms., Inc. v. Alkem Labs., Ltd.

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Case Name: Azurity Pharms., Inc. v. Alkem Labs., Ltd., No. 20-cv-1094, 2022 WL 605746 (D. Del. Jan. 31, 2022) (Goldberg, J.) Drug Product and Patent(s)-in-Suit: Firvanq® (vancomycin HCl); U.S. Patents Nos. 10,493,028 (“the...more

Robins Kaplan LLP

Horizon Medicines LLC v. Alkem Labs. Ltd.

Robins Kaplan LLP on

Duexis® (ibuprofen / famotidine) - Case Name: Horizon Medicines LLC v. Alkem Labs. Ltd., No. 18-1014-RGA, 2020 WL 7022591 (D. Del. Nov. 30, 2020) (Andrews, J.) ...more

Dechert LLP

Federal Circuit Panel Describes the Doctrine of Equivalents as Applying “Only in Exceptional Cases”

Dechert LLP on

In a patent owner’s declaratory judgment action under the Biologics Price Competition and Innovation Act (“BPCIA”) a Federal Circuit panel in Amgen Inc. v. Sandoz Inc., Appeal No. 2018-1551 (Fed. Cir. May 8, 2019) narrowly...more

Foley & Lardner LLP

Recent Guidance from the Federal Circuit on the Doctrine of Equivalents in Cases Involving Chemical Compositions

Foley & Lardner LLP on

In Mylan Institutional LLC, et al. v. Aurobindo Pharma Ltd., et al., Case No. 2017-1645, the Federal Circuit affirmed the district court’s grant of a preliminary injunction as to one of three patents-in-suit, while finding...more

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