U.S. Patent Office[]
An office action is an official communication from the U.S. Patent and Trademark Office, usually requiring some response by the patent applicant.[1]
U.S. Trademark Office[]
An office action is a letter from a trademark examining attorney setting forth the legal status of a trademark application. There are several types of office actions: examiner’s amendments, priority actions, non-final office actions, final office actions, and suspension inquiry letters.