ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,731, issued on March 18, was assigned to University of Washington (Seattle).

"In situ combinatorial labeling of cellular molecules" was invented by Georg Seelig (Seattle), Alexander B. Rosenberg (Seattle) and Charles Roco (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of uniquely labeling or barcoding molecules within a nucleus, a plurality of nuclei, a cell, a plurality of cells, and/or a tissue are provided. Kits for uniquely labeling or barcoding molecules within a nucleus, a plurality of nuclei, a cell, a plurality of cells, and/or a tissue are also provided. The molecules to be labeled may include, but are not limited to, RNAs...