PreOmics and Biognosys win US patent challenge against Seer patent

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PreOmics GmbH and Biognosys AG Prevail in U.S. Patent Challenge

March 31, 2026 1:07 PM EDT

US PTAB Revokes Sole Independent and Other Central Claims of U.S. Patent 11,435,360

SCHLIEREN, Switzerland & MUNICH--(BUSINESS WIRE)-- PreOmics GmbH and Biognosys AG today announced a favorable outcome in an inter partes review (IPR) proceeding IPR202401473 before the U.S. Patent Trial and Appeal Board (PTAB). The PTAB has revoked the central claims of U.S. Patent No. 11,435,360, which is owned by The Brigham and Womens Hospital, and exclusively licensed to Seer, Inc.

The USPTO struck... More