Supreme Court Holds PTAB Time Bar Decisions Cannot Be Judicially Reviewed By Brooke M. Wilner on April 22, 2020 Email this postTweet this postLike this postShare this post on LinkedIn On April 20, 2020, a divided Supreme Court held that a PTAB determination of whether an IPR petition is timely under 35 U.S.C. § 315(b) cannot be judicially reviewed.1 Read more