Federal Circuit Affirms Invalidation Of Hearing Device Patent Claims

( October 10, 2025, 12:43 PM EDT) -- WASHINGTON, D.C. — Across three opinions issued Oct. 9, two panels in the Federal Circuit U.S. Court of Appeals affirmed a series of decisions by the U.S. Patent Trial and Appeal Board (PTAB) that invalidated multiple claims in three patents related to hearing devices, with the panels agreeing with PTAB that prior art references rendered the patents’ claims obvious....