Intel Link Blocks Semiconductor Patent Challenges, Director Told

Intel Corp.'s connection with an ON Semiconductor Corp. subsidiary challenging two semiconductor patents, which the chip-making titan is time-barred from attacking, should block the challenges altogether, according to Greenthread LLC’s request for director review at the US Patent and Trademark Office.

The Patent Trial and Appeal Board abused its discretion by granting three Semiconductor Components Industries LLC petitions seeking review of US Patent Nos. 11,121,222 and 10,510,842, Greenthread’s counsel said in an email to PTO Director Kathi Vidal. Semiconductor Components is acting an agent for Intel, which is barred from challenging the patents due to an earlier proceeding, Greenthread ...