Allergan USA, Inc. v. MSN Laboratories Private Ltd.

  1. December 16, 2024

    The Biggest Patent Decisions Of 2024

    This year's notable patent decisions from the Federal Circuit provided clearer guidelines on double patenting and opened the door for new ways to invalidate design patents. Here's a look at the cases from 2024 that will shape patent litigation going forward.

  2. October 16, 2024

    AAM, Alvogen Back Sun Pharma In Double Patenting Row

    A trade group representing generic-drug makers, a generic-drug company and a plant-breeding technology business have all thrown their support behind Sun Pharmaceutical Industries' bid for the full Federal Circuit to take a closer look at the issue of double patenting.

  3. September 30, 2024

    Generic-Drug Co. Says To Think Again About 'Double Patenting'

    An Indian generic-drug maker wants the whole Federal Circuit to take a closer look at the issue of "double patenting," telling it that a recent panel ruling mistakenly breathed new life into pharmaceutical patents covering an anti-diarrhea drug.

  4. August 16, 2024

    Fed. Circ. Quells Fears Over Double-Patenting Overreach

    A recent Federal Circuit decision finding patent claims licensed by Allergan were not invalid for obviousness-type double patenting provided relief to attorneys who were concerned the court had made it easier to invalidate patents that had extended expiration dates to make up for regulatory delays.

  5. August 13, 2024

    Fed. Circ. Restores J&J, Allergan's Viberzi IP After Del. Loss

    The Federal Circuit fully revived claims of patents covering Allergan's bowel treatment drug Viberzi on Tuesday, overruling a Delaware federal judge who said the claims don't meet obviousness-type double patenting or written description requirements.

  6. May 09, 2024

    Fed. Circ. Skeptical Allergan Illegally Extended Exclusivity

    A Federal Circuit panel seemed doubtful Thursday that a patent covering Allergan's bowel treatment drug Viberzi should have its life cut short based on the expiration date of related patents, in oral arguments over obviousness-type double patenting.