DUO FU DUO SHOU
Live / Applied — Opposition pending (as of 06 Jan 2026)
What this means for you
Not registered yet, but its 24 Feb 2025 filing date beats anything filed after it. If it registers, the owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 99053252
- Mark type
- Stylized text
- Filed
- 24 Feb 2025
- Published for opposition
- 09 Sept 2025
- Attorney of record
- SEAN D. DETWEILER
Goods and services
- Class 009 — Scientific and electric apparatus: Downloadable video game software; Downloadable software in the nature of a mobile application for playing games; Downloadable interactive game software; Downloadable game software
Owner
- Caelum Inc., Weston, MA, US
- Caelum Inc., Weston, MA, US
Prosecution history
- 07 Jan 2026 — EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED
- 06 Jan 2026 — OPPOSITION INSTITUTED NO. 999999
- 17 Sept 2025 — EXTENSION OF TIME TO OPPOSE RECEIVED
- 09 Sept 2025 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 09 Sept 2025 — PUBLISHED FOR OPPOSITION
- 03 Sept 2025 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 05 Aug 2025 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 05 Aug 2025 — EXAMINER'S AMENDMENT ENTERED
- 05 Aug 2025 — NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
- 05 Aug 2025 — EXAMINERS AMENDMENT E-MAILED
- 05 Aug 2025 — EXAMINERS AMENDMENT -WRITTEN
- 31 Jul 2025 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 31 Jul 2025 — NON-FINAL ACTION E-MAILED
- 31 Jul 2025 — NON-FINAL ACTION WRITTEN
- 29 Jul 2025 — ASSIGNED TO EXAMINER