Collateral Estoppel Influences PTAB’s Decision in Web Browsing Patent Rehearing
In a rather striking move, the Patent Trial and Appeal Board (PTAB) recently chose to rethink its previous judgments. Consequently, it agreed to a request for rehearing, thus instituting inter partes review (IPR) of a patent associated with web browsing. The board’s decision was shaped by the need to address a discrepancy with a prior…