WASHINGTON, Oct 19 : The US Supreme Court declined on Monday to hear a challenge by Alphabet's Google to a US Patent and Trademark Office rule that the company argued has insulated older patents from validity reviews and helped fuel a surge in patent litigation.The justices turned away Google's appeal of a lo
The U.S. Supreme Court has declined to consider Google's challenge to the U.S. Patent and Trademark Office's "established expectations" rule, which limits the validity of older patents.