Motions to Expunge: A Different Perspective than a Motion to Seal By Anthony A. Hartmann on September 29, 2014 Email this postTweet this postLike this postShare this post on LinkedIn In RPX Corp. v. VirnetX Inc., IPR2014-00171 (Paper 62, September 9, 2014), the PTAB denied RPX’s motion to expunge from the permanent record all documents that had been filed under seal in the proceeding. Read more