FLASHBACK LABS
Live / Applied — Opposition pending (as of 20 Feb 2026)
What this means for you
Not registered yet, but its 09 Jun 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
- 99224453
- Mark type
- Stylized text
- Filed
- 09 Jun 2025
- Published for opposition
- 23 Dec 2025
Goods and services
- Class 042 — Scientific and technological services: Platform as a service (PAAS) featuring computer software platforms for privacy-preserving machine learning model training using federated learning; Providing a website featuring non-downloadable software using artificial intelligence (AI) for privacy-preserving machine learning model training and validation; Providing temporary use of on-line non-downloadable cloud computing software using artificial intelligence (AI) for privacy-preserving machine learning model training using federated learning; Providing online, non-downloadable software for blockchain-verified reward distribution to data contributors using blockchain technology
Owner
- Flashback Labs, Inc., Herndon, VA, US
- Flashback Labs, Inc., Herndon, VA, US
Prosecution history
- 21 Feb 2026 — EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED
- 20 Feb 2026 — OPPOSITION INSTITUTED NO. 999999
- 22 Jan 2026 — EXTENSION OF TIME TO OPPOSE RECEIVED
- 23 Dec 2025 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 23 Dec 2025 — PUBLISHED FOR OPPOSITION
- 17 Dec 2025 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 24 Nov 2025 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 24 Nov 2025 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 24 Nov 2025 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 24 Nov 2025 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 05 Nov 2025 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 05 Nov 2025 — NON-FINAL ACTION E-MAILED
- 05 Nov 2025 — NON-FINAL ACTION WRITTEN
- 28 Oct 2025 — ASSIGNED TO EXAMINER
- 09 Jun 2025 — APPLICATION FILING RECEIPT MAILED