ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,839, issued on April 14, was assigned to Tencent Technology (Shenzhen) Co. Ltd. (Shenzhen, China).

"Delivery of virtual effect" was invented by Zhihong Liu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for delivering a virtual effect is provided. In the method, a target delivery point of the target virtual effect is determined based on a delivery point selection received from a user of a first virtual object. The target virtual effect is configured to change an attribute value of a second virtual object within an effect range of the target virtual effect. An actual delivery point of the target virtual effect is determined...