ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,865, issued on July 21, was assigned to Caribou Biosciences Inc. (Berkeley, Calif.).

"Compositions and methods of nucleic acid-targeting nucleic acids" was invented by Andrew Paul May (San Francisco), Rachel E. Haurwitz (Belmont, Calif.), Jennifer A. Doudna (Berkeley, Calif.), James M. Berger (Baltimore), Matthew Merrill Carter (Berkeley, Calif.) and Paul Daniel Donohoue (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides for compositions and methods for the use of nucleic acid-targeting nucleic acids and complexes thereof. Genome engineering can refer to altering the genome by deleting, inserting, mutating, or sub...