HALCYON
Live / Registered — Registered (as of 28 Apr 2026)
What this means for you
Registered since 28 Apr 2026. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 28 Apr 2032: the §8 declaration of use).
Record
- Serial number
- 98447124
- Registration number
- 8233479
- Mark type
- Word mark
- Filed
- 13 Mar 2024
- Published for opposition
- 21 Jan 2025
- Registered
- 28 Apr 2026
- Next maintenance filing
- §8 declaration of use, due by 28 Apr 2032 (grace period to 28 Oct 2032)
- Attorney of record
- Connie L. Ellerbach, Esq.
Goods and services
- Class 042 — Scientific and technological services: Software as a service (SaaS) services featuring software using artificial intelligence for conducing searches via a search engine in the fields of energy, transport, climate, global economy, and regulatory compliance; software as a service (SaaS) services featuring software using artificial intelligence for retrieving, analyzing, filtering, and aggregating documents, reports, regulatory filings, and government policies in the fields of energy, transport, climate, global economy, and regulatory compliance; software as a service (SaaS) services featuring software using artificial intelligence to locate, extract, analyze, translate, and summarize documents, reports, regulatory filings, and government policies and generate summaries and recommendations regarding the same in the fields of energy, transport, climate, global economy, and regulatory compliance; application service provider featuring application programming interface (API) software for conducting searches via a search engine in the fields of energy, transport, climate, global economy, and regulatory compliance; application service provider featuring application programming interface (API) software for retrieving, analyzing, filtering, and aggregating documents, reports, regulatory filings, and government policies in the fields of energy, transport, climate, global economy, and regulatory compliance; application service provider featuring application programming interface (API) software to locate, extract, analyze, translate, and summarize documents, reports, regulatory filings, and government policies and generate summaries and recommendations regarding the same in the fields of energy, transport, climate, global economy, and regulatory compliance; providing customized computer searching services in the fields of energy, transport, climate, global economy, and regulatory compliance; providing a website featuring a search engine for others to conduct research in the fields of energy, transport, climate, global economy, and regulatory compliance
Owner
- Halcyon Carbon, Inc., San Francisco, CA, US
- Halcyon Carbon, Inc., San Francisco, CA, US
- Halcyon Carbon, Inc., San Francisco, CA, US
Board proceedings on this mark
- Extension of Time to Oppose No. 98447124 — Halcyon Still Water, LLC v. Halcyon Carbon, Inc., filed 20 Feb 2025 (Terminated)
Prosecution history
- 28 Apr 2026 — NOTICE OF REGISTRATION CONFIRMATION EMAILED
- 28 Apr 2026 — REGISTERED-PRINCIPAL REGISTER
- 06 Apr 2026 — NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
- 06 Apr 2026 — ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
- 03 Apr 2026 — STATEMENT OF USE PROCESSING COMPLETE
- 14 Oct 2025 — USE AMENDMENT FILED
- 14 Oct 2025 — TEAS STATEMENT OF USE RECEIVED
- 13 May 2025 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
- 04 Apr 2025 — EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED
- 21 Feb 2025 — EXTENSION OF TIME TO OPPOSE RECEIVED
- 21 Jan 2025 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 21 Jan 2025 — PUBLISHED FOR OPPOSITION
- 15 Jan 2025 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 23 Dec 2024 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 23 Dec 2024 — EXAMINER'S AMENDMENT ENTERED