AUSTIN, Texas /ScoopCloud/ -- 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.