RISC0
Live / Applied — Fourth extension granted (statement of use) (as of 18 Jul 2025)
What this means for you
Not registered yet, but its 30 Jun 2022 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
- 97484371
- Mark type
- Stylized text
- Filed
- 30 Jun 2022
- Published for opposition
- 23 May 2023
- 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
- Risc0, Inc., Seattle, WA, US
Prosecution history
- 16 Jan 2026 — TEAS STATEMENT OF USE RECEIVED
- 16 Jan 2026 — SOU TEAS EXTENSION RECEIVED
- 18 Jul 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 18 Jul 2025 — SOU EXTENSION 4 GRANTED
- 17 Jul 2025 — SOU EXTENSION 4 FILED
- 17 Jul 2025 — SOU TEAS EXTENSION RECEIVED
- 03 Mar 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 16 Jan 2025 — SOU EXTENSION 3 GRANTED
- 16 Jan 2025 — SOU EXTENSION 3 FILED
- 15 Jan 2025 — SOU TEAS EXTENSION RECEIVED
- 16 Jul 2024 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 16 Jul 2024 — SOU EXTENSION 2 GRANTED
- 16 Jul 2024 — SOU EXTENSION 2 FILED
- 16 Jul 2024 — SOU TEAS EXTENSION RECEIVED
- 09 Jan 2024 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED