Corporate fury over one man’s claim to own the technology for fixing Y2K computer glitches appears to have prompted a rare, U.S. Patent and Trademark Office Commissioner-ordered review of the patent.

On Dec. 21, the PTO announced that Q. Todd Dickinson ordered a reexamination of U.S. Patent No. 5,806,063. The computer software patent, “Date Formatting and Sorting for Dates Spanning the Turn of the Century,” is owned by Californian Bruce Dickens.