(August 22, 2024, 1:10 PM EDT) -- WASHINGTON, D.C. — In her Aug. 21 brief in response to a petition for writ of certiorari filed by a tech firm in the U.S. Supreme Court, the director of the U.S. Patent and Trademark Office (PTO) argues that a patent that had its expiration date extended under patent term adjustment (PTA) due to application delays caused by the PTO is still susceptible to findings of obviousness and invalidity....