BASE CHAIN
Live / Applied — Non-final action mailed (as of 28 Feb 2026)
What this means for you
Not registered yet, but its 01 Oct 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
- 99424374
- Mark type
- Stylized text
- Filed
- 01 Oct 2025
- Attorney of record
- Kelu Sullivan
Goods and services
- Class 009 — Scientific and electric apparatus: Computer and mobile application software for blockchain-based platforms; computer and mobile application for distributed software applications; computing platforms, protocols and decentralized applications (dApps); computer and mobile applications software for developing and building distributed software applications, distributed computing platforms, blockchain protocols, and decentralized applications (dApps); downloadable and recorded computer software for encryption; downloadable and recorded computer software for blockchain development and implementation, execution and management of secure data transactions, management of data escrow, and provisioning of shared and distributed ledgers; downloadable and recorded computer software for representation of data involved in and described in data transactions; downloadable and recorded computer software platforms for blockchains development and implementation; downloadable and recorded software for development, testing, and integration of blockchain software applications to shared and/or distributed ledgers
- Class 035 — Advertising and business services: Business consulting services in the field of decentralized applications (dApps), and decentralized autonomous organizations, and blockchain protocols; metaverse and web 3.0 consulting services; Incubation services in connection with the formation and launch of blockchain protocols, decentralized autonomous organizations (DAOs) and decentralized applications (dApps)
- Class 042 — Scientific and technological services: Providing on-line non-downloadable software for blockchain-based platforms; providing on-line non-downloadable software for distributed computing platforms, blockchain protocols, and decentralized applications (dApps); providing on-line non-downloadable software for developing and building distributed software applications, distributed computing platforms, blockchain protocols, and decentralized applications (dApps); research and software development services; development and implementation of software for blockchain-based platforms; design, development and implementation of software in the field of blockchains; software development and product development consulting in the field of distributed computing platforms; software development and product development consulting in the field of blockchains; hosting an online community website; providing on-line non-downloadable computer software for encryption; providing on-line non-downloadable computer software for blockchain development and implementation, execution and management of secure data transactions, management of data escrow, and provisioning of shared and distributed ledgers; providing on-line non-downloadable computer software for representation of data involved in and described in data transactions; providing on-line non-downloadable software for development, testing, and integration of blockchain software applications to shared and/or distributed ledgers; Software as a service (SAAS) services featuring software for providing a layer 2 blockchain infrastructure; Software as a service (SAAS) services featuring software for providing a secondary protocol or framework built on top of an existing blockchain network; Platform as a service (PAAS) featuring computer software platforms for providing a layer 2 blockchain infrastructure; Platform as a service (PAAS) featuring computer software platforms for providing a secondary protocol or framework built on top of an existing blockchain network; Blockchain as a servi
Owner
- Coinbase, Inc., Oakland, CA, US
Prosecution history
- 28 Feb 2026 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 28 Feb 2026 — NON-FINAL ACTION E-MAILED
- 28 Feb 2026 — NON-FINAL ACTION WRITTEN
- 21 Feb 2026 — ASSIGNED TO EXAMINER
- 20 Feb 2026 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 01 Oct 2025 — APPLICATION FILING RECEIPT MAILED
- 01 Oct 2025 — NEW APPLICATION ENTERED