RISC ZERO
Live / Registered — Registered (as of 24 Jun 2025)
What this means for you
Registered since 24 Jun 2025. 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 24 Jun 2031: the §8 declaration of use).
Record
- Serial number
- 97484377
- Registration number
- 7844804
- Mark type
- Word mark
- Filed
- 30 Jun 2022
- Published for opposition
- 23 May 2023
- Registered
- 24 Jun 2025
- Next maintenance filing
- §8 declaration of use, due by 24 Jun 2031 (grace period to 24 Dec 2031)
- Attorney of record
- Jessica L. Rothstein
Goods and services
- Class 009 — Scientific and electric apparatus: Downloadable software to validate a zero-knowledge computation environment; downloadable software for performing validation and authentication of data using zero-knowledge proof protocols for computer execution traces on a decentralized blockchain; downloadable software for the creation, mining, minting, storage, management, and authentication of cryptocurrencies, digital wallets, digital assets, digital tokens, utility tokens, non-fungible tokens (NFTs), digital collectibles, crypto-collectibles and digital currencies using zero-knowledge proof protocols; downloadable software for the creation and distribution of decentralized authentication and validation tools based on zero-knowledge proof protocols; downloadable software for the provision of user and credentials identification and authentication based on zero-knowledge proof protocols
Owner
- RISC ZERO, INC., Seattle, WA, US
- RISC ZERO, INC., Seattle, WA, US
- RISC ZERO, INC., SEATTLE, WA, US
- Risc0, Inc., Seattle, WA, US
Prosecution history
- 24 Jun 2025 — NOTICE OF REGISTRATION CONFIRMATION EMAILED
- 24 Jun 2025 — REGISTERED-PRINCIPAL REGISTER
- 04 Jun 2025 — NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
- 04 Jun 2025 — ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
- 19 May 2025 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 19 May 2025 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 15 May 2025 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 26 Feb 2025 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 26 Feb 2025 — NON-FINAL ACTION E-MAILED
- 26 Feb 2025 — SU - NON-FINAL ACTION - WRITTEN
- 12 Feb 2025 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 12 Feb 2025 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 12 Feb 2025 — ASSIGNED TO LIE
- 05 Feb 2025 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 03 Jan 2025 — APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED