( April 7, 2026, 10:50 AM EDT) -- WASHINGTON, D.C. — In what it described as a matter of first impression, a Federal Circuit U.S. Court of Appeals panel affirmed an Indiana federal judge’s findings that a fencing manufacturer could not correct a patent to add the name of an undisputed co-inventor who could not be contacted because the co-inventor was a “party concerned” for correction proceedings; the panel also agreed that the patents were invalid for omitting the co-inventor....