ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,805, issued on April 8, was assigned to IDS GROUP (Meyzieu, France).

"Isotopic marking and identification of animals and plants" was invented by Patrice Fauvet (Lyons, France) and Valerie Migeon (Lyons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An isotopic identification method is provide that makes it possible, where appropriate, to link a livestock animal or animal product to a specific farm, or a plant or a plant product to a farm, by analyzing the concentration of ratios or stable isotopes, and comparing with isotopic codes previously generated in a unique fashion for a set of frames. A method is also provided that makes it possible ...