BAUSCH HEALTH IRELAND LIMITED et al v. MSN LABORATORIES PRIVATE LTD. et al

  1. April 06, 2026

    Bausch, MSN Laboratories Settle Patent Battle Over IBS Drug

    Bausch Health and MSN Laboratories have ended their New Jersey patent fight over the irritable bowel medication Trulance after reaching a confidential settlement, filing a stipulation of dismissal that lets MSN keep its patent challenge and lifts the 30‑month stay blocking FDA approval of its proposed generic drug.

  2. June 20, 2025

    Fed. Circ. Revives MSN Challenge To Bausch IBS Drug Patent

    The Federal Circuit has instructed the Patent Trial and Appeal Board to take another crack at evaluating the validity of a drug patent owned by Bausch Health Ireland Ltd., holding that the PTAB's initial decision lacked the detail needed to determine whether it was right or wrong.