EndoVention, Inc. sued AngioDynamics, Inc. in the Western District of Michigan on November 21, 2014. The lawsuit alleges that AngioDynamics’ AngioVac™ Cannula and Circuit infringes U.S. Patent No. 5,908,435, entitled “Expandable Lumen Device and Method of Use,” which issued on June 1, 1999, and U.S. Patent No. 6,159,230, entitled “Expandable Lumen Device and Method of Use,” which issued on December 12, 2000.
AngioDynamics is based in New York. The complaint is available here.