ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,088, issued on July 28, was assigned to Arkose Labs Holdings Inc. (San Mateo, Calif.).

"Computer challenge systems based on image orientation matching" was invented by Whitney Constantine (Brisbane, Australia), Murry Lancashire (Brisbane, Australia) and James Clark (Brisbane, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of securing a computer resource against unauthorized access includes sending, by a processing device, a challenge data structure to a user computer system, obtaining a user response representing at least one user-selected image from the plurality of images, and providing access to the computer resource for the us...