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Patent Litigation Hatch-Waxman United States Patent and Trademark Office

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Patent Term Extension for Reissued Patents is Calculated Using the Original Patent’s Issue Date Where the...

The Federal Circuit recently affirmed a district court’s holding that patent term extension (PTE) for a reissued patent was properly based on the issue date of the original patent and not that of the reissued patent. The...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Pharmaceutical Patent Protections

This week, we take a closer look at two precedential cases concerning pharmaceutical patent protections as applied to drugs in development. In Incyte Corp. v. Sun Pharm., Judge Hughes entered a dissent pushing back on the...more

Hogan Lovells

Reissued patents get Hatch-Waxman PTE based on original patent date, CAFC rules

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The U.S. Court of Appeals for the Federal Circuit (CAFC) recently considered a novel question regarding calculation of the regulatory review period for patent term extension (PTE) under 35 USC § 156 for reissued patents....more

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

Sterne Kessler’s Reissue, Reexamination, and Supplemental Examination Practice Tips – March 2025

In the mid-2000s, the U.S. Patent Office (USPTO) determined that reexaminations would be more consistent and legally correct if performed by a centralized set of experienced and specially trained Examiners. As a result, the...more

McDermott Will & Emery

What’s the (Re)issue? Patent Term Extensions for Reissue Patents

McDermott Will & Emery on

Addressing the calculation of patent term extensions (PTEs) under the Hatch-Waxman Act, the US Court of Appeals for the Federal Circuit affirmed a district court decision that under the act the issue date of the original...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Actavis Labs. FL, Inc. v. United States

Actavis Labs. FL, Inc. v. United States, Appeal No. 2023-1320 (Fed. Cir. Mar. 21, 2025) Our Case of the Week, in the words of its author, Circuit Judge Stark, “is not actually a patent case. It is, instead, a tax case.” In...more

McDonnell Boehnen Hulbert & Berghoff LLP

Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc. (Fed. Cir. 2025)

Early last year, Aurobindo, one of the Defendants* in ANDA litigation against Merck, advanced the proposition that in cases where a patent had been reissued patent term extension ("PTE") under 35 U.S.C. § 156 should be...more

Rothwell, Figg, Ernst & Manbeck, P.C.

Federal Circuit: Reissue Patents Get PTE Based on the Original Patent’s Issue Date

On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed a five-year patent term extension (“PTE”) for Merck’s sugammadex patent, holding that the district court had correctly calculated PTE based on the...more

Fish & Richardson

Federal Circuit: PTE for Reissue Patents Should Be Calculated From Original Patent’s Issue Date

Fish & Richardson on

On March 13, 2025, the Federal Circuit decided in Merck Sharp & Dohme B.V. v. Aurobindo Pharma USA, Inc. (No. 2023-2254) how patent term extensions (PTEs) apply to reissued patents under the Hatch-Waxman Act....more

McDonnell Boehnen Hulbert & Berghoff LLP

Aurobindo v. Merck Sharp and Dohme -- Oral Argument

The Federal Circuit heard oral argument in Auribundo's appeal of the district court's decision in favor of plaintiff Merck, in a case captioned In re Sugammadex (alternatively, Aurobindo v. Merck Sharp and Dohme). The issue...more

Knobbe Martens

Renewed Efforts in Congress for Pharmaceutical Patent Reform

Knobbe Martens on

With the recent convocation of the 119th Congress, a change in administration, and resignation of USPTO Director Vidal, pharmaceutical patent reform is likely on the minds of many in Washington. Prior to this political...more

Womble Bond Dickinson

2024 Hatch-Waxman Year in Review

Womble Bond Dickinson on

In 2024, the Hatch-Waxman Act continued to play a critical role in the U.S. pharmaceutical landscape, driving the dynamics between brand-name drugmakers and generics. This landmark legislation, enacted to encourage innovation...more

Fish & Richardson

Hatch-Waxman 201

Fish & Richardson on

For branded drugmakers, the development of a pharmaceutical product approved by the Food and Drug Administration (FDA) all but assures generic competition. As discussed during the first installment of our Hatch-Waxman series,...more

American Conference Institute (ACI)

[Event] 20th Paragraph IV Disputes - April 25th - 26th, New York, NY

Hosted by American Conference Institute, the 20th Annual Paragraph IV Disputes & the 40th Anniversary of the Hatch-Waxman Act returns for another exciting year with curated programming that will take a retrospective look at...more

American Conference Institute (ACI)

[Webinar] 3rd Annual Passport to Proficiency on the Essentials of Hatch-Waxman and BPCIA - October 10th - 26th, 1:00 pm EST

Gain a comprehensive understanding of Hatch-Waxman and BPCIA essentials, a critical competency for legal and business professionals in the biopharmaceutical arena. Attend ACI’s Hatch-Waxman and BPCIA Proficiency Series...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - July 2023 #4

United Therapeutics Corporation v. Liquidia Technologies, Inc., Appeal Nos. 2022-2217, 2023-1021 (Fed. Cir. July 24, 2023) In the Federal Circuit’s only precedential patent case this week, the Court considered questions...more

American Conference Institute (ACI)

[Event] 18th Annual Paragraph IV Disputes - April 19th - 20th, New York, NY

Hosted by ACI, 18th Annual Paragraph IV Disputes Conference returns to New York City for another exciting year with curated programming that not only addresses the hot topics, but also puts them within the context of pre-suit...more

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

MarkIt to Market® - January 2023

Thank you for reading the January 2023 issue of Sterne Kessler's MarkIt to Market® newsletter. This month, we discuss an ongoing trademark dispute between the band OK Go and cereal company Post, how to stay vigilant about...more

Robins Kaplan LLP

Chiesi Usa, Inc. V. Aurobindo Pharma Usa, Inc. - Cleviprex® (Clevidipine Injectable Emulsions)

Robins Kaplan LLP on

Case Name: Chiesi USA, Inc. v. Aurobindo Pharma USA, Inc., Civ. No. 19-18756, 2022 WL 3703207 (D.N.J. Aug. 16, 2022) (Quraishi, J.)  Drug Product and Patent(s)-in-Suit: Cleviprex® (clevidipine injectable emulsions); U.S....more

McDermott Will & Emery

Heightened Written Description Standard for Negative Limitations?

McDermott Will & Emery on

Addressing the issue of negative claim limitations, the US Court of Appeals for the Federal Circuit granted a petition for panel rehearing, vacated its prior decision (authored by now-retired Judge O’Malley) and reversed the...more

American Conference Institute (ACI)

[Event] 17th Annual Paragraph IV Disputes Conference - April 26th - 27th, New York City, NY

Premier forum which shapes the law, policy, and proceedings of Paragraph IV Litigation is back to New York City on April 26-27! Pharmaceutical patent practitioners from across the globe attend this flagship conference to...more

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

2021 PTAB Year in Review: Analysis & Trends: Biologics at the PTAB: Statistics and Insights into Notable Biologics Decisions

In June 2021, the US Patent and Trademark Office (USPTO) published an update to its study of America Invents Act (AIA) trials involving challenges to Orange Book-listed and biologic patents from September 16, 2012, through...more

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

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

Haug Partners LLP

NHK-Fintiv Frustration: Status of the Current Challenges and the Uncertain Fate of the PTAB’s Discretionary Denial of IPRs

Haug Partners LLP on

Several challenges have been made recently to the Patent Trial and Appeal Board’s (“PTAB’s or Board’s”) controversial practice of denying inter partes review (IPR) petitions based on the status of parallel infringement...more

Knobbe Martens

Federal Circuit Review - September 2021

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Arguments to the Patent Office That Contradict Information Submitted to the FDA Support an Inference of Deceptive Intent In Belcher Pharmaceuticals v. Hospira, Inc., Appeal No. 20-1799, the Federal Circuit held that a...more

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