ZERO HASH
Live / Registered — Registered — Sections 8 & 15 accepted and acknowledged (as of 27 May 2025)
What this means for you
Registered since 12 Mar 2019. 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 12 Mar 2029: the §8 & §9 renewal).
Record
- Serial number
- 88123740
- Registration number
- 5697429
- Mark type
- Word mark
- Filed
- 19 Sept 2018
- Published for opposition
- 25 Dec 2018
- Registered
- 12 Mar 2019
- Next maintenance filing
- §8 & §9 renewal, due by 12 Mar 2029 (grace period to 12 Sept 2029)
- Attorney of record
- Mark A. Jansen
Goods and services
- Class 036 — Insurance and financial services: Cryptocurrency exchange services
Owner
- ZEROHASH HOLDINGS LTD., Chicago, IL, US
- ZERO HASH HOLDINGS LTD., CHICAGO, IL, US
- Seed CX Ltd., Chicago, IL, US
- Seed CX Ltd., Chicago, IL, US
- Seed CX Ltd., Chicago, IL, US
Prosecution history
- 03 Aug 2026 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 03 Aug 2026 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 03 Aug 2026 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 03 Aug 2026 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 03 Aug 2026 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 27 May 2026 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 02 Jun 2025 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 02 Jun 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 02 Jun 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 02 Jun 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 27 May 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 27 May 2025 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 23 May 2025 — TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
- 08 May 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 08 May 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED