Trimble Inc. v. PerDiemCo LLC, No. 19-2164 (Fed. Cir. May 12, 2021)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

Trimble Inc. and Innovative Software Engineering, LLC (“ISE”) appeal a judgment dismissing their declara- tory judgment noninfringement action against PerDiemCo LLC for lack of personal jurisdiction . PerDiemCo is the owner of eleven patents that it accused Trimble and ISE of infringing in letters and other communication s sent to Trimble, a California resident. Relying on this court’s de- cision in Red Wing Shoe Co. v. Hockerson-Halberstadt, Inc., 148 F.3d 1355 (Fed. Cir.