Patent Assignment Search

Search Patent Assignments to track changes to an institution's U.S. patent portfolio or ownership information about a specific U.S. patent.

Search All Fields Assignor Assignee Assignor/Assignee Patent No. Application No. Reel Frame No. Correspondent Nature of Conveyance for AND OR NOT All Fields Assignor Assignee Assignor/Assignee Patent No. Application No. Reel Frame No. Correspondent Nature of Conveyance for AND OR NOT All Fields Assignor Assignee Assignor/Assignee Patent No. Application No. Reel Frame No. Correspondent Nature of Conveyance for Add more Remove Try our advanced patent search for more options

Data Source: USPTO, 1979 to Present.