ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,588, issued on Feb. 10, was assigned to Dell Products LP (Round Rock, Texas).

"Selective auto retention locking through sub-directory level exclusion policy" was invented by Jagannathdas Rath (Bengaluru, India), Srisailendra Yallapragada (Cupertino, Calif.), Nitin Madan (San Jose, Calif.) and Salil Dangi (Mission Viejo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A selective automatic retention lock system defines, as attributes, an automatic retention lock (ARL) period specifying an amount of time to lock the file, and a cooling (COP) period specifying an amount of time within the first ARL after which the file will be locked if no modifi...