ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,582, issued on June 17, was assigned to Zuora Inc. (Redwood City, Calif.).

"Multi-tenant extensible billing system" was invented by Xinxin Wang (Sunnyvale, Calif.), Steven Lotito (San Diego), Song Cui (Santa Clara, Calif.), Pilar Loren Pickering (San Diego), Xin Yu Liu (Mountain View, Calif.), David Kenneth Magill (San Diego), Kan Shun Sit (San Jose, Calif.), Zhiguo Lu (Changsha, China) and Chen Xin Sun (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Receive, by a price calculation microservice, tenant user input from a particular tenant of a multi-tenant system. Generate, by the price calculation microservice, a particular charge model base...