https://www.DrugPatentWatch.comDaily drug patent expiration updates from DrugPatentWatch.comen-USNew patent expiration for Rigel Pharms drug TAVALISSE (via DrugPatentWatch) https://www.DrugPatentWatch.com/p/tradename/TAVALISSEhttps://www.DrugPatentWatch.com/p/tradename/TAVALISSEFri, 12 Jun 2026 00:00:00 -0400https://www.DrugPatentWatch.com/p/tradename/TAVALISSE