Oklahoma Trademark Assignment is a legal document used to transfer rights to a trademark from one owner to another. This assignment is filed with the Oklahoma Secretary of State's Office to record the transfer of ownership. The document must include the names and addresses of the assignor and assignee, the trademark being transferred, and the date of the assignment. There are two types of Oklahoma Trademark Assignments: an Assignment of Trademark or Service Mark and an Assignment of Application for Trademark or Service Mark. Both documents must be signed by the assignor and assignee and must include a notarized statement that confirms the transfer of ownership. The Assignment of Trademark or Service Mark must also include a verified description of the trademark.