notice of allowance. 1.Patents. The formal notification from the U.S. Patent and Trademark Office that a patent application has been approved and that a patent can be issued. • The patent itself is not issued until the applicant has paid the issue fee. [Cases: Patents 104. C.J.S. Patents §§ 145–147, 149–151, 173–175.] 2.Trademarks. The formal notification from the U.S. Patent and Trademark Office that a trademark may be placed on the Principal Register if it is actually used in commerce.

[Blacks Law 8th]