Late-listing Patents in a PIV Case
A curious PIV case surfaced at the end of October involving Lonsurf®(trifluridine and tipiracil) Tablets and its 9,943,537 patent. It reminds us of some similar behavior of Bristol-Myers from 20+ years ago which brought an aggressive response from the US Federal Trade Commission. On October 20, 2023, Taiho filed a PIV case against ANDA filer … Continue reading →










