Law360, New York ( February 16, 2017, 3:50 PM EST) -- In Xilinx Inc. v. Papst Licensing GmBH & Co., decided on Feb. 15, 2017, the Federal Circuit held that California's long-arm statute conferred personal jurisdiction over a patent licensing firm that sent cease-and-desist letters to a California company, and that also met with the company in California to discuss issues of infringement and potential licensing of patents that may be asserted against the California company. This case serves as a lesson to patent owners that if they do not want to be hauled into potentially unfavorable jurisdictions to defend declaratory judgment actions, such as jurisdictions in which a potential infringer's headquarters is located, they should be careful as to what actions they perform in those jurisdictions....