ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,280, issued on Nov. 4, was assigned to Kabam Inc. (San Francisco).

"System and method for pricing of virtual containers determined stochastically upon activation" was invented by Michael C. Caldarone (Palo Alto, Calif.) and Stephanie K. Schultz (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "An approach to facilitating pricing of virtual containers is provided. Item prices associated with obtaining item instances of virtual items in a game space may be determined. Probabilities that container instances of virtual containers will provide individual ones of the item instances of the virtual items upon activation by users in the game space...