( May 14, 2025, 12:03 PM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel said the U.S. Patent Trial and Appeal Board (PTAB) wrongly required scientists from the University of California and other facilities to show that their claimed invention would work to show that they conceived of a gene editing technology first, reviving a dispute over the CRISPR-Cas9 system....