https://patentbrief.org/company/xencor-inc Plain-English explanations of patents assigned to Xencor Inc, newest first. en-us Mon, 15 Jun 2026 05:59:44 GMT https://patentbrief.org/patent/us/10184000/libtayo-cemiplimab This patent describes a way to modify the tail end of an antibody so it binds more strongly to immune cells, helping the body fight off infections or cancer more effectively. Tue, 22 Jan 2019 00:00:00 GMT https://patentbrief.org/patent/us/10184000/libtayo-cemiplimab