News & Analysis as of

Pharmaceutical Patents CAFC United States Patent and Trademark Office

Womble Bond Dickinson

Reminder: “Consisting essentially of” Is U.S. Patent Claim Language Needing Interpretation

Womble Bond Dickinson on

On June 30, 2025, the Federal Circuit issued a precedential opinion in Eye Therapies v. Slayback Pharma in which the court interpreted the transition phrase “consisting essentially of” to be a closed term excluding other...more

Hogan Lovells

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

Hogan Lovells on

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

Baker Donelson

A Baker's Dozen of Patent Law Developments for 2024

Baker Donelson on

The world of intellectual property law is always changing, and it can be difficult to keep up. Here are 13 developments in patent law so far in 2024 to help you stay in the know....more

Jenner & Block

Enablement Bar for Drug Patents

Jenner & Block on

On May 18, 2023, the Supreme Court affirmed the Federal Circuit’s (CAFC) decision on enablement in Amgen Inc. v. Sanofi, 987 F.3d 1080 (CA Fed. 2021). The Court thus left in place a significant CAFC decision making it more...more

Bradley Arant Boult Cummings LLP

Court Decision Means that Antibody Patenting Is Not Getting Easier

Patenting antibodies has long been challenging. Although most inventions can be patented based on their functionality, assuming the functionality is new and non-obvious, for antibodies and other biomolecules there is a higher...more

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