( April 10, 2026, 1:52 PM EDT) -- PHILADELPHIA — A Third Circuit U.S. Court of Appeals panel agreed with a Pennsylvania federal judge that an online research platform was likely to succeed on its fair use defense against claims accusing it of infringing copyrighted building codes that have been incorporated into the International Building Code; the panel pointed to a 2023 opinion by the District of Columbia Circuit U.S. Court of Appealsinvolving the same plaintiff-appellant that similarly found fair use....