LitigationPatent

Facebook v. Windy City: CAFC Strikes Down PTAB’s Approach to Joinder in IPRs

In Facebook v. Windy City Innovations, the U.S. Court of Appeals for the Federal Circuit earlier today ruled that the Patent Trial and Appeal Board (PTAB) erred both in allowing Facebook to join itself to a proceeding in which it was already a party, and in allowing Facebook to add new claims to the inter partes reviews (IPRs) at issue through that joinder…. On the topic of whether the language of § 315(c) authorizes the joinder of a person as a party to a proceeding in which it is already a party, the Court was again clear on what the plain language of § 315(c) allows. The Director is permitted  “to join as a party [to an already instituted IPR] any person’ who meets certain requirements. 35 U.S.C. § 315 (emphases added).”

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