| Serial Number | 79449438 |
| Word Mark | SIGMA |
| Filing Date | Thursday, December 11, 2025 |
| Status | 640 - NON-FINAL ACTION COUNTED - NOT MAILED |
| Status Date | Saturday, May 23, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | 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. |
| Description of Mark | The mark consists of a stylized design of a lowercase Greek letter sigma in blue and dark blue on a light grey circle. The design is to the left of the word "SIGMA" in stylized black font. |
| Indication of Colors claimed | The color(s) blue, dark blue, grey and black is/are claimed as a feature of the mark. |
| International Class | 038 - Services allowing people to communicate with another by a sensory means. |
| US Class Codes | 100, 101, 104 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, May 7, 2026 |
| Primary Code | 038 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | SigmaBrowser OÜ |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | EE |
| Event Date | Event Description |
| Thursday, May 7, 2026 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Friday, May 8, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, May 8, 2026 | APPLICATION FILING RECEIPT MAILED |
| Saturday, May 9, 2026 | ASSIGNED TO EXAMINER |
| Saturday, May 23, 2026 | NON-FINAL ACTION WRITTEN |
| Sunday, May 24, 2026 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |