ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,254, issued on March 11, was assigned to Illumina Inc. (San Diego) and Illumina Cambridge Ltd. (Cambridge, Great Britain).

"Compositions and methods for improving sample identification in indexed nucleic acid libraries" was invented by Eric Hans Vermaas (San Diego), Mahdieh Khosroheidari (San Diego) and Claire Bevis-Mott (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is concerned with compositions and methods for improving the rate of correct sample identification in indexed nucleic acid library preparations for multiplex next generation sequencing by modifying or blocking 5' and 3' ends of pooled ind...