( January 15, 2025, 8:13 AM EST) -- AUSTIN, Texas — A Texas federal magistrate judge recommended that summary judgment motions by both parties in a long-running patent infringement suit be denied, finding that the defendant’s invalidity argument is precluded by a previous inter partes review (IPR) ruling, while concluding that the plaintiff has not met its burden to make a prima facie showing of infringement of the sole remaining patent claim at issue more than a dozen years after the suit was initially filed....