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Patent Term Extensions United States Patent and Trademark Office Patent Litigation

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

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

Foley & Lardner LLP

Federal Circuit Decision Could Encourage More Reissue Patents

Foley & Lardner LLP on

The Patent Term Extension (PTE) provisions of 35 U.S.C. § 156 compensate pharmaceutical patent owners for time they are not able to enjoy commercial market exclusivity because their products are not yet approved by the U.S....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

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

DLA Piper

Effect of Patent Term Extensions on Obviousness-type Double Patenting

DLA Piper on

The US Court of Appeals for the Federal Circuit issued its opinion in Allergan USA, Inc. v. MSN Laboratories Private Ltd., No. 24-1061 (Fed. Cir. 2024), holding that “a first-filed, first-issued, later-expiring claim cannot...more

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

Cellect and Allergan: Obviousness-Type Double Patenting (ODP) in Reexamination and Reissue

Takeaways: 1. ODP in reexamination and reissue remains unpredictable despite Allergan 2. Patent Owners should carefully review ODP rejections to ensure they are proper Obviousness-type double patenting (ODP) is a legal...more

WilmerHale

PTAB/USPTO Update - May 2024

WilmerHale on

On April 30, the USPTO announced a Request for Comments (RFC) seeking public feedback on how AI could affect USPTO evaluations on patentability, including what qualifies as prior art and the assessment of the level of...more

Womble Bond Dickinson

Navigating the Implications of In re Cellect: What You Need to Know About Patent Term Adjustment & Obviousness-Type Double...

Womble Bond Dickinson on

On January 19, 2024, the Court of Appeals for the Federal Circuit issued an order denying the Petition for Rehearing En Banc in the much awaited In re Cellect matter. The mandate of the court issued today....more

Venable LLP

USPTO Rejects "Contingent" Terminal Disclaimer

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On January 18, 2024, the USPTO rejected a "contingent" terminal disclaimer filed by Acadia Pharmaceuticals Inc. (Acadia) for a patent it owns that is being challenged in a pending litigation as invalid for obviousness-type...more

Fitch, Even, Tabin & Flannery LLP

Calculating Patent Term Extension for FDA Delay: Original Patent or Reissue Patent Issue Date?

The Federal Circuit appeal in Merck Sharp & Dohme B.V., Merck Sharp & Dohme, LLC v. Aurobindo Pharma USA, Inc. et al., concerns whether patent term extension (PTE) for regulatory delay, in particular delay for FDA drug...more

Knobbe Martens

Federal Circuit Review - August 2023

Knobbe Martens on

IPR Petitioners Must Be Permitted to Respond to Claim Constructions First Proposed in Patent Owner Response - In Axonics, Inc. v. Medtronic, Inc., Appeal No. 22-1532, the Federal Circuit held that where a patent owner in...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

McDermott Will & Emery

The End Is Not So Near: Patent Term Adjustments Count in Obviousness-Type Double Patenting Determinations

Addressing for the first time how patent term adjustments (PTAs) interact with obviousness-type double patenting (ODP), the US Court of Appeals for the Federal Circuit concluded that when members of a patent family have...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases - September 2023

In re Cellect, LLC, Appeal Nos. 2022-1293, -1294, -1295, -1296 (Fed. Cir. Aug. 28, 2023) In a significant appeal from ex parte reexamination proceedings before the Patent Trial and Appeal Board, the Federal Circuit...more

Knobbe Martens

A Terminal Disclaimer Is Not an Escape Hatch

Knobbe Martens on

IN RE CELLECT, LLC - Before Lourie, Dyk, and Reyna. Appeal from the Patent Trial and Appeal Board. Summary: Obviousness-type double patenting analyses for patents with Patent Term Adjustments are based on the...more

McDonnell Boehnen Hulbert & Berghoff LLP

USPTO News Briefs - September 2022

USPTO Launches Webpage on PTE Applications and Patent Terms Extended under 35 U.S.C. § 156 - In a Patent Alert email distributed to stakeholders last week, the U.S. Patent and Trademark Office announced the launch of a...more

American Conference Institute (ACI)

[Webinar] Examining the COVID-19 Effect on the Business and Practice of Hatch-Waxman Litigation - June 2nd, 12:00 pm - 1:00 pm EST

The coronavirus global pandemic has ushered in extraordinary roadblocks for the pharmaceutical industry. To help you carve out a path forward, in-house senior executives and industry leaders will convene virtually at ACI’s...more

WilmerHale

Federal Circuit Patent Updates - January 2019

WilmerHale on

Barry v. Medtronic, Inc. (No. 2017-2463, 1/24/19) (Prost, Moore, Taranto) - Taranto, J. Affirming judgement of no invalidating public use of patents related to methods for correcting spinal column anomalies. Also...more

Foley & Lardner LLP

Federal Circuit Says No OTDP Between Novartis Patents That Straddle URAA

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In Novartis Pharmaceuticals Corp. v. Breckenridge Pharmaceutical Inc., Novartis scored another obviousness-type double patenting (OTDP) win when the Federal Circuit held that a post-URAA child patent could not be cited as an...more

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