PTAB Axes Bike Chainring Patent After Fox Factory's Appeal Win

On February 25, 2021, the Patent Trial and Appeal Board (PTAB) ruled in favor of Finnegan client Fox Factory on remand from the U.S. Court of Appeals for the Federal Circuit. In 2018, the PTAB originally upheld the validity of SRAM’s X-Sync bike chainring patent claims. On appeal, the Federal Circuit issued a precedential opinion stating that the PTAB wrongly presumed a strong connection between SRAM’s evidence and the claimed invention. The Federal Circuit vacated and remanded the case and after reconsidering the evidence, the PTAB agreed that SRAM failed to prove its patent wasn’t obvious.

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