News & Analysis as of

Generic Drugs Patent Litigation Obviousness

A&O Shearman

Overlapping Range Presumption Not Applied Given Specified Doses Administered At Specified Times

A&O Shearman on

On July 8, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the validity of a Janssen patent, finding that Teva did not meet its burden to prove obviousness. In so doing, the Federal Circuit provided...more

McDermott Will & Emery

Motivation, expectation of success negate obviousness presumption in overlapping range case

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit affirmed (on its second review) a district court’s ruling upholding the validity of patent claims related to a long-acting injectable dosing regimen, finding that the...more

DLA Piper

Purdue Appeals Federal Circuit Obviousness Decision to the Supreme Court

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Purdue Pharma (Purdue) has filed a petition for a writ of certiorari challenging a recent Federal Circuit decision upholding the invalidation of several Purdue patents on grounds of obviousness....more

Cooley LLP

Janssen v. Teva: Federal Circuit Upholds Claims to Pharmaceutical Dosing Regimen, Clarifies Presumption of Obviousness for...

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On July 8, the US Court of Appeals for the Federal Circuit issued a precedential opinion in Janssen Pharmaceuticals, Inc. et al. v. Teva Pharmaceuticals USA, Inc. affirming the district court’s finding that patent claims to a...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc.

Janssen Pharmaceuticals, Inc. v. Teva Pharmaceuticals USA, Inc., Appeal Nos. 2025-1228, -1252 (Fed. Cir. July 8, 2025) Our Case of the Week focuses on obviousness. More particularly, the decision included a lengthy...more

Proskauer - The Patent Playbook

Eyes Open to the Past: Federal Circuit Holds Prosecution History Is Claim Construction Evidence

The Federal Circuit’s decision in Eye Therapies, LLC v. Slayback Pharma, LLC provides further insight into the tools available for patent claim construction. The Federal Circuit had previously held that a patent’s...more

DLA Piper

The Federal Circuit Upholds Drug Dosing Regimen as Valid and Nonobvious

DLA Piper on

In Janssen Pharmaceuticals, Inc. v. Mylan Laboratories., the United States Court of Appeals for the Federal Circuit affirmed a district court ruling that a pharmaceutical dosing claim limitation was nonobvious despite prior...more

A&O Shearman

Federal Circuit Affirms Findings Of Non-Obviousness And Infringement Of Method Of Treatment Patent Claiming Dosing Regimen For...

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On March 28, 2025, the United States Court of Appeals for the Federal Circuit issued an opinion affirming the United States District Court for the District of New Jersey decision that Mylan Laboratories Ltd. (“Mylan”) induced...more

Robins Kaplan LLP

Janssen Pharms., Inc. v. Mylan Labs. Ltd.

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Invega Trinza® (paliperidone palmitate) - Case Name: Janssen Pharms., Inc. v. Mylan Labs. Ltd., No. 2023-2042, 2025 WL 946390 (Fed. Cir. Mar. 28, 2025) (Circuit Judges Dyk, Prost, and District Judge Goldberg presiding;...more

Robins Kaplan LLP

Janssen Pharms., Inc. v. Teva Pharms. USA, Inc.

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Invega Sustenna® (paliperidone palmitate) - Case Name: Janssen Pharms., Inc. v. Teva Pharms. USA, Inc., Civ. Nos. 18-734, 19-16484, 2024 WL 5135666 (D.N.J. Dec. 17, 2024) (Cecchi, J.)  Drug Product and Patent(s)-in-Suit:...more

Robins Kaplan LLP

Purdue Pharma L.P. v. Accord Healthcare, Inc.

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OxyContin® (oxycodone HCl) - Case Name: Purdue Pharma L.P. v. Accord Healthcare, Inc., No. 2023-1953, 2024 WL 5244764 (Fed. Cir. Dec. 30, 2024) (Circuit Judges Prost, Reyna, and Taranto presiding; Opinion by Prost, J.)...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - December 2024

Mirror Worlds Technologies, LLC v. Meta Platforms, Inc., Appeal Nos. 2022-1600, -1709 (Fed. Cir. Dec. 4, 2024) In this appeal from the United States District Court for the Southern District of New York, the Federal...more

Robins Kaplan LLP

Purdue Pharma L.P v. Accord Healthcare Inc. - OxyContin® (oxycodone HCl)

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Case Name: Purdue Pharma L.P v. Accord Healthcare Inc., Civ. No. 22-913-WCB, 2024 WL 4120717 (D. Del. Sept 9, 2024) (Bryson, J.) Drug Product and Patent(s)-in-Suit: OxyContin® (oxycodone HCl); U.S. Patent No. 11,304,908 (“the...more

Troutman Pepper Locke

Federal Circuit Decision Clarifies Obviousness-Type Double Patenting and Patent Term Adjustments in Allergan v. MSN Laboratories

Troutman Pepper Locke on

On August 13, the Federal Circuit issued a precedential ruling in Allergan v. MSN Laboratories (Case No. 24-1061). This decision reversed the District of Delaware's application of the Federal Circuit precedent in In re:...more

Hogan Lovells

Sandoz v Bayer: Ethical issues and determining obviousness for patents in the UK

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The English High Court has held that a patent relating to a once-daily dosing of an active ingredient was invalid for lack of inventive step over prior art posters presented to the public at conferences. The decision has been...more

Akin Gump Strauss Hauer & Feld LLP

In Wake of In re Cellect, District Court Interprets Safe Harbor Statute and Finds Patent Not Invalid for Obviousness-Type Double...

The District Court for the District of Delaware recently held on summary judgment that a patent with 2,295 days of combined patent term adjustment (PTA) and patent term extension (PTE) was not invalid for obviousness-type...more

Robins Kaplan LLP

Salix Pharms., Ltd. v. Norwich Pharms., Inc. Xifaxan® (Rifaximin)

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Case Name: Salix Pharms., Ltd. v. Norwich Pharms., Inc., C.A. No. 20-cv-430-RGA, 2022 WL 3225381 (D. Del. Aug. 10, 2022) (Andrews, J.) Drug Product and Patent(s)-in-Suit: Xifaxan® (rifaximin); U.S. Patents Nos. 7,612,199...more

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Master Symposium - September 21st - 22nd, Chicago, IL

ACI’s 8th Annual Paragraph IV Disputes Master Symposium returns in person to Chicago on September 21-22! Join leading pharmaceutical patent litigators for brand name and generic drug companies to receive up-to-the-minute...more

Knobbe Martens

Federal Circuit Review - December 2021

Knobbe Martens on

Ranges for Interdependent and Interactive Components Can Be Tricky to Derive - In Modernatx, Inc. v. Arbutus Biopharma Corporation, Appeal No. 20-2329, the Federal Circuit held that a presumption of obviousness based on...more

Robins Kaplan LLP

Auxilium Pharms., Inc. v. FCB I LLC

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Case Name: Auxilium Pharms., Inc. v. FCB I LLC, Civ. No. 20-16456, 2021 WL 2802537 (D.N.J. July 6, 2021) (Vazquez, J.) - Drug Product and Patent(s)-in-Suit: Testim® (testosterone gel); U.S. Patents Nos. 7,320,968 (“the ’968...more

American Conference Institute (ACI)

[Event] Paragraph IV Disputes Conference - November 9th - 10th, New York, NY

Join the conference that the “who’s who” of Hatch-Waxman litigators have designated as the forum which sets the standards for Paragraph IV practice. ACI’s Paragraph IV Litigation Conference is returning LIVE & IN-PERSON to...more

McDonnell Boehnen Hulbert & Berghoff LLP

Amarin Pharma, Inc. v. Hikma Pharmaceuticals USA Inc. (Fed. Cir. 2020)

On September 3rd, the Federal Circuit affirmed under Rule 36 the decision by the District Court of Nevada (Du, J.) in March that the claims asserted by Amarin Pharma against West-Ward Pharmaceuticals International Ltd., Hikma...more

Robins Kaplan LLP

Valeant Pharms Int’l, Inc. v. Mylan Pharms Inc.

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BECAUSE THE PRIOR ART TAUGHT OVERLAPPING PH RANGES AND STRUCTURALLY SIMILAR COMPOUNDS AS THOSE CLAIMED IN THE PATENT-IN-SUIT, THE FEDERAL CIRCUIT REVERSED SUMMARY JUDGMENT OF NON-OBVIOUSNESS. Case Name: Valeant Pharms...more

Robins Kaplan LLP

HZNP Medicines LLC v. Actavis Labs. UT, Inc.

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THE DISTRICT COURT’S FINDINGS REGARDING INDEFINITENESS, NON-INFRINGEMENT, AND NON-OBVIOUSNESS WERE AFFIRMED BY THE APPELLATE COURT. Case Name: HZNP Medicines LLC v. Actavis Labs. UT, Inc., No. 2017-2149, -2152, -2153,...more

Smart & Biggar

Federal Court rejects Apotex’s invalidity allegations on claims for use of abiraterone acetate in combination with prednisone

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On October 29, 2019, the Federal Court issued its final decision under the pre-amended Patented Medicines (Notice of Compliance) Regulations: Janssen Inc v Apotex Inc, 2019 FC 1355. Justice Phelan granted Janssen’s...more

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