( May 14, 2025, 7:48 AM EDT) -- WASHINGTON, D.C. — A Federal Circuit U.S. Court of Appeals panel said substantial evidence supported a jury’s finding that multiple claims in a tech company’s patents related to portable memory devices were shown to be obvious and anticipated as per prior art references, affirming that and other findings in the dispute, holding that inter partes review (IPR) estoppel “does not preclude a petitioner from asserting that a claimed invention was known or used by others, on sale, or in public use in district court.”...