Continuation of a continuation is impliedly licensed under the grandparent patent’s license agreement
Cheetah Omni LLC v. AT&T was decided on February 6, 2020, on appeal from the Northern District of Texas. Plaintiff Cheetah asserted that Defendant AT&T’s fiber equipment and services infringed its ‘836 patent. Ciena moved to intervene in the lawsuit because it manufactures and supplies certain components for AT&T’s fiber …