US Patent Issued to Amgen on Feb. 24 for "Vectors and expression systems for producing recombinant proteins" (California Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,760, issued on Feb. 24, was assigned to Amgen Inc. (Thousand Oaks, Calif.).

"Vectors and expression systems for producing recombinant proteins" was invented by Pavan Ghattyvenkatakrishna (Thousand Oaks, Calif.), Hedieh Barkhordarian (Newbury Park, Calif.), Kristine Marie Daris (Thousand Oaks, Calif.) and Charilyn Tejamo (Thousand Oaks, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Inventions disclosed herein relates to vectors and expression systems for producing heteromeric recombinant proteins such as monoclonal antibodies. Vectors and expression systems disclosed herein are based on the finding that the selectable marker glutamine synthet...