On March 18, 2020, in Facebook, Inc. v. Windy City Innovations, LLC, the Federal Circuit held that 35 U.S.C. § 315(c) does not authorize same-party joinder and does not authorize joinder of new issues.
Windy City Innovations, LLC (“Windy City”) brought a patent infringement suit against Facebook, Inc. (“Facebook”) in a district court. Exactly