Report on Facebook v. Windy City and its Impact on PTAB Practice

Event Date
  • 10/6/2020   4:00 PM - 5:30 PM
    Please arrive early for registration
  • Zoom


In this interactive panel, PTAB Committee video conference call, the PTAB Committee will discuss decisions in Facebook v. Windy City, which was issued on September 4, 2020, holding, inter alia, that there is no such thing as same party joinder in IPRs and Section 315(c) is about joinder of parties to a proceeding and not joinder of issues. 
This decision also discusses a host of related decisions on institution, consolidation, appealability and non-appealability of PTAB decisions, POP panel decisions, the Administrative Procedures Act, Chevron deference, Skidmore deference and obviousness.


  • Hon. William Fink, Patent Trial and Appeal Board
  • Ken Adamo, Law Office of KRAdamo
  • Christopher Lisiewski, Amster, Rothstein & Ebenstein
  • Charles Macedo, Amster, Rothstein & Ebenstein
  • Brian Murphy, Haug Partners
  • Robert Rando, Taylor English Duma
  • CLE Evaluation Form (1 Page)
  • PTAB Committee Windy City Presentation (13 Pages)
  • The Federal Circuit Rejects Same Party Joinder in IPRS and Challenges PTO and PTAB Procedures (2 Pages)