PTAB Greenlights Three Petitions Against One Patent, PTAB Litigation Blog

Visit the PTAB Litigation Blog.

Although the PTAB had previously stated that it would “rarely” be appropriate for a petitioner to file multiple petitions against the same patent, in Dolby Laboratories, Inc. v. Intertrust Technologies Corp., IPR 2020-01104; -01105; -01106, Paper No. 14 (-01105) (PTAB, Jan. 5, 2021),the PTAB found that it was appropriate for Dolby Laboratories, Inc. (“Dolby”) to file three petitions against U.S. Patent No. 8,191,157 B2 (“the ‘157 patent”), although it denied institution on one of the three for substantive reasons.

Read the full article at

Jones Day publications should not be construed as legal advice on any specific facts or circumstances. The contents are intended for general information purposes only and may not be quoted or referred to in any other publication or proceeding without the prior written consent of the Firm, to be given or withheld at our discretion. To request reprint permission for any of our publications, please use our “Contact Us” form, which can be found on our website at The mailing of this publication is not intended to create, and receipt of it does not constitute, an attorney-client relationship. The views set forth herein are the personal views of the authors and do not necessarily reflect those of the Firm.