ALEXANDRIA, Va., April 7 -- United States Patent no. 12,596,677, issued on April 7, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Storing files in blocks within composite images" was invented by Shaheed Gulamabbas Chagani (Redmond, Wash.) and Aparajita Dutta (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Using a block-based region file to extend a composite image (CIM). A device determines to replace a first file with a second file within a filesystem volume of the CIM. The device identifies a first file definition within CIM metadata, which defines the first data of the first file as including a first data block of a first CIM region file comprising equally-sized data...