ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,087, issued on March 17, was assigned to Merck Sharp & Dohme LLC (Rahway, N.J.).

"Aryloxypiperidine pyrazole compounds as indoleamine 2,3-dioxygenase inhibitors" was invented by Dane Clausen (Rahway, N.J.), Xavier Fradera (Brookline, Mass.), Liangqin Guo (Monroe, N.J.), Yongxin Han (Needham, Mass.), Shuwen He (Fanwood, N.J.), Xianhai Huang (Warren, N.J.), Joseph Kozlowski (Princeton, N.J.), Guoqing Li (Belle Mead, N.J.), Jongwon Lim (Lexington, Mass.), Theodore A. Martinot (Southborough, Mass.), Alexander Pasternak (Jamaica Plain, Mass.), Nunzio Sciammetta (Sudbury, Mass.), Andreas Verras (New York), Li Xiao (Cranbury, N.J.), Wensheng Yu (Edison, N.J.) and Rui Zhang (Plainsboro, ...