USPTO clarifies rules on prior art at PTAB

20-08-2020

Rory O'Neill

USPTO clarifies rules on prior art at PTAB

Mark Van Scyoc / Shutterstock.com

The US Patent and Trademark Office (USPTO) has clarified that challenged patents cannot form the basis of inter partes review (IPR) proceedings.


USPTO, PTAB, prior art, guidance, IPR, inter partes review, McKool Smith, Axinn, AAPA

WIPR