courts have authority to compel ownership transfer of foreign patents

On Dec. 7, 2020, the Federal Circuit held that courts have the authority to compel parties to transfer ownership of foreign patents.  SiOnyx LLC v. Hamamatsu Photonics K.K., No. 19-2359 (Fed. Cir. Dec. 7, 2020).  In reversing the district court's denial of plaintiff's request for sole ownership of several foreign patents reasoning that evidence establishing plaintiff's right to sole ownership of U.S. patents was equally applicable to the foreign patents because the U.S. patents claimed priority to foreign applications.  The Court concluded that no rational basis existed for treating the U.S. and foreign patents differently when determining ownership.
Full text of the opinion is available here.