Drug Patent Holder Breached Covenant Not To Sue From Earlier Infringement Suit

( December 6, 2024, 12:43 PM EST) -- WILMINGTON, Del. — In the latest chapter in an long-running dispute over the pharmaceutical colchicine, a Delaware federal judge found that a patent owner’s infringement suit against the maker of a generic version of the drug breached a covenant not to sue that was contained in an agreement that resolved a previous lawsuit between the two companies....