A vexing issue in post-grant patent practice is understanding the limits of how far a patent challenger can deviate from the four corners of its petition during the proceeding.
In Dynaenergetics Europe GmbH and Dynaenergetics US, Inc. v. Qinetiq Ltd., PGR2023-00003, Paper 8 (P.T.A.B. Apr. 13, 2023), the Patent Trial & Appeal Board ("the Board") denied the Patent.
On December 20, 2021, in an uncommon move and without much explanation, U.S. District Judge Alan Albright granted five requests for stays while the Patent Trial and Appeal Board (PTAB).
U.S. District Judge Alan Albright, who oversees the nation's busiest patent docket, has granted five requests to pause infringement litigation while the Patent Trial and Appeal Board reviews an oil drilling patent that DynaEnergetics has asserted in all five cases.