ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,652, issued on April 29, was assigned to DNA Script (Le Kremlin-Bicetre, France), Institut Pasteur (Paris) and Centre National de la Recherche Scientifque (Paris).

"Variants of terminal deoxynucleotidyl transferase and uses thereof" was invented by Elise Champion (Paris), Mikhael Soskine (Franconville, France), Thomas Ybert (Paris) and Marc Delarue (Versailles, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to variants of Terminal deoxynucleotidyl Transferase (TdT), each of which (i) has an amino acid sequence similarity to SEQ ID NO: 2, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33 or 35 with corresponding amino...