| Serial Number | 99198077 |
| Word Mark | O2 |
| Filing Date | Thursday, May 22, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, March 24, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, March 24, 2026 |
| Pseudo Mark | O TO |
| Goods and Services | Nasal filters that are placed into the nostril openings to help reduce inhaled airborne allergens and pathogens for medical purposes |
| Pseudo Mark | O TWO |
| International Class | 010 - Surgical, medical, dental, and veterinary apparatus and instruments, artificial limbs, eyes, and teeth; orthopedic articles; suture materials. |
| US Class Codes | 026, 039, 044 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, May 22, 2025 |
| Primary Code | 010 |
| First Use Anywhere Date | Thursday, July 6, 2017 |
| First Use In Commerce Date | Monday, July 16, 2018 |
| Party Name | Protego LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Mountlake Terrace, WA 98043 US |
| Party Name | Protego LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Mountlake Terrace, WA 98043 US |
| Event Date | Event Description |
| Thursday, May 22, 2025 | NEW APPLICATION ENTERED |
| Thursday, May 22, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, September 30, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, October 6, 2025 | ASSIGNED TO EXAMINER |
| Tuesday, October 7, 2025 | PRIORITY ACTION WRITTEN |
| Tuesday, October 7, 2025 | PRIORITY ACTION E-MAILED |
| Tuesday, October 7, 2025 | NOTIFICATION OF PRIORITY ACTION E-MAILED |
| Tuesday, January 6, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, January 6, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, January 6, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, February 3, 2026 | FINAL REFUSAL WRITTEN |
| Tuesday, February 3, 2026 | FINAL REFUSAL E-MAILED |
| Tuesday, February 3, 2026 | NOTIFICATION OF FINAL REFUSAL EMAILED |
| Tuesday, March 3, 2026 | TEAS REQUEST FOR RECONSIDERATION RECEIVED |
| Tuesday, March 3, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, March 3, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Tuesday, March 3, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 18, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, March 24, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, March 24, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |