| Serial Number | 99424374 |
| Word Mark | BASE CHAIN |
| Filing Date | Wednesday, October 1, 2025 |
| Status | 661 - RESPONSE AFTER NON-FINAL ACTION - ENTERED |
| Status Date | Friday, April 24, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | NOT AVAILABLE |
| Goods and Services | Business consulting services in the field of decentralized applications (dApps), and decentralized autonomous organizations, and blockchain protocols; business consulting services, namely,metaverse and web 3.0 consulting services; Incubation services in connection with thebusiness formation and launch of blockchain protocols, decentralized autonomous organizations (DAOs) and decentralized applications (dApps) |
| Goods and Services | Downloadable computer and mobile application software for assessing blockchain-based platforms; downloadable computer and mobile application fordistributed software applications for blockchain-based platforms; mobile computing platforms, protocols and decentralized applications (dApps) consisting of blockchain-based platforms for developing and building distributed software applications;downloadable 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 |
| Goods and 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 of computer software services; computer software 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 websitefeaturing shared communications between community members interested in blockchain protocols, decentralized applications (dApps); 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;providing online non-downloadable software development tools for creating blockchain based applications blockchain as a service (baas) provider |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, October 1, 2025 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 035 - Advertising; business management; business administration; office functions. |
| US Class Codes | 100, 101, 102 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, October 1, 2025 |
| Primary Code | 035 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, October 1, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Coinbase, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Oakland, CA 94607 US |
| Event Date | Event Description |
| Wednesday, October 1, 2025 | NEW APPLICATION ENTERED |
| Wednesday, October 1, 2025 | APPLICATION FILING RECEIPT MAILED |
| Friday, February 20, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Saturday, February 21, 2026 | ASSIGNED TO EXAMINER |
| Saturday, February 28, 2026 | NON-FINAL ACTION WRITTEN |
| Saturday, February 28, 2026 | NON-FINAL ACTION E-MAILED |
| Saturday, February 28, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Friday, April 24, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Friday, April 24, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Friday, April 24, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |