• Don’t Drive the Wrong Car
  • August 17, 2017 | Author: Charles W. Shifley
  • Law Firm: Banner & Witcoff, Ltd. - Chicago Office
  • July 10, 2017 — <i>Inter partes</i> reviews (IPRs) at the U.S. Patent and Trademark Office Patent Trial and Appeal Board (PTAB) are the way to go to invalidate patent claims, whether you’re in litigation with a patent owner, or just want to clear out some space to compete. <i>See, e.g., https://www.uspto.gov/sites/default/files/documents/Trial_Statistics_2017-05-31.pdf</i>. But don’t drive the wrong car while you’re there at the PTAB. Here’s what I mean.