AUSTIN, TEXAS and OXFORD, UNITED KINGDOM, December 7, 2021 -- Pure Transplant Solutions, LLC (PTS), a developer of novel HLA based transplant diagnostics, and Oxford Immunotec, Ltd. (OI), a global diagnostics company part of PerkinElmer Inc., today announce an exclusive sublicense agreement in which PTS will obtain exclusive commercial rights to issued patents protecting a novel assay originally developed by Dr. Oriol Bestard, M.D., Ph.D., that measures antibody-secreting B cells. Oxford Immunotec exclusively licensed the patented technology in 2015 from the Bellvitge Biomedical Research Institute (IDIBELL) in Barcelona, Spain, where Dr. Bestard performed his research.