(March 20, 2024, 1:32 PM EDT) -- ALEXANDRIA, Va. — With the apparent blessing of Meta Platforms Inc., Samsung Electronics Co. Ltd. is seeking joinder to an inter partes review of a targeted advertising patent initiated by the social media giant, asserting that its petition contains “substantively identical” grounds and prior art and vowing to assume the role of an “understudy” that will step in only if Meta “ceases to participate.”...