U.S. federal trademark · Serial No. 77730904
providing on-line journals, namely, blogs; providing blogs and web sites featuring information about the use of messaging services, users of messaging services, and the contents of messages sent in electronic form, including tweets; providing temporary use of online, non-downloadable software for searching and reading messages sent in electronic form, including tweets
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.