TTAB Extensions of Time to Oppose 99171000
USPTO Extensions of Time to Oppose proceeding 99171000, filed 2025-09-25. Status: Terminated.
Proceeding Facts
| Proceeding Number | 99171000 |
|---|---|
| Type | Extensions of Time to Oppose |
| Status | Terminated |
| Filing Date | 2025-09-25 |
| Last Activity | 2025-12-18 |
| Days Active | 236 |
Parties
- Pfizer Inc. — Defendant
- GlaxoSmithKline Biologicals SA — Plaintiff
Plaintiff Marks
- No plaintiffs on record.
Defendant Marks
- VIVSIXGO — Pfizer Inc.
Recent Documents
- 2025-12-18: EXT GRANTED — Extensions
- 2025-12-18: FINAL 60-DAY REQUEST TO EXT TIME TO OPPOSE — Extensions
- 2025-10-22: EXT GRANTED — Extensions
- 2025-10-22: ADD'L 60-DAY REQUEST TO EXT TIME TO OPPOSE — Extensions
- 2025-09-25: EXT GRANTED — Extensions
- 2025-09-25: FIRST 30-DAY REQUEST TO EXT TIME TO OPPOSE — Extensions
Related Proceedings
Other TTAB proceedings involving at least one of the same parties:
- Proceeding 99371705 — Extensions of Time to Oppose — Not Instituted (last activity 2026-05-13)
- Proceeding 91305794 — Oppositions — Pending (last activity 2026-03-10)
- Proceeding 99204016 — Extensions of Time to Oppose — Terminated (last activity 2026-03-10)
- Proceeding 99119038 — Extensions of Time to Oppose — Terminated (last activity 2025-12-23)
- Proceeding 98548372 — Extensions of Time to Oppose — Terminated (last activity 2025-06-06)