Trademark Overview
On Thursday, December 11, 2025, a trademark application was filed for SIGMA with the United States Patent and Trademark Office. The USPTO has given the SIGMA trademark a serial number of 79449438. The federal status of this trademark filing is NEW APPLICATION - ASSIGNED TO EXAMINER as of Saturday, May 9, 2026. This trademark is owned by SigmaBrowser OÜ. The SIGMA trademark is filed in the Communication Services category with the following description:
Transmission of digital files; transmission of electronic mail; providing user access to global computer networks; video-on-demand transmission; providing internet chatrooms; providing online forums.