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Patent Litigation Patent Terms Appeals

McDermott Will & Emery

Get a Grip: Not All Cords Have Handles

McDermott Will & Emery on

The US Court of Appeals for the Federal Circuit vacated a district court’s grant of summary judgment of noninfringement because the district court improperly narrowed a claim term during its construction. IQRIS Technologies...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

Sheppard Mullin Richter & Hampton LLP

Federal Circuit Emphasizes Role of Filing Dates, Reversing Obviousness-Type Double Patenting Invalidation

In Allergan USA, Inc. v. MSN Laboratories Private Ltd., No. 2024-1061 (Fed. Cir. August 13, 2024), the Federal Circuit reversed the District Court of Delaware’s invalidity determination of certain claims of U.S. Patent No....more

McDermott Will & Emery

Same Applicant, Similar Claims Support Obviousness-Type Double Patenting Rejection

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board obviousness-type double patenting rejection, finding that an unexpected mechanism of action does not render the known use of a known...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

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

Mind Your Ps and Qs, and Your PTAs Too

Last week, the Federal Circuit held that obviousness-type double patenting trumps patent term adjustment, opening the door for invalidity attacks that to date had been questionable. In re Cellect was an appeal from a...more

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