BLOCKSTAMP
LIVE

Serial Number

99481694

Owner

SIMPLE PROOF INC.

Attorney

Russell R. Rotondi

Filing Date

Nov 5, 2025

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BLOCKSTAMP Trademark

Serial Number: 99481694

BLOCKSTAMP is a trademark filed by SIMPLE PROOF INC. on November 5, 2025. The trademark is classified under Class 9 (Computers & Electronics), Class 42 (Computer & Scientific), Class 45 (Legal & Security Services). The application is currently pending registration.

Owner Contact Info

SIMPLE PROOF INC.

300 Colonial Center Pkrwy
Roswell, GA 30076

Entity Type: 03

Trademark Details

Filing Date

November 5, 2025

Registration Date

Not Registered

Goods & Services

software as a service (SaaS) featuring software for cryptographic hashing, timestamping, and verification of electronic documents using blockchain technology; platform as a service (PaaS) featuring computer software platforms for integrating document timestamping and verification with enterprise document management systems and cloud-based platforms; providing temporary use of non-downloadable software for verifying the integrity and authenticity of digital files and for generating and sharing verification proofs; cloud computing featuring software for anchoring document hashes to a blockchain and for accessing blockchain transaction data related to timestamp proofs; application service provider (ASP) services featuring application programming interfaces (APIs) for connecting document repositories, email systems, and cloud storage to a timestamping and verification service; technical support services, namely, troubleshooting of computer software problems relating to blockchain-based timestamping and verification; computer consulting in the field of blockchain technology, data integrity, and compliance as it relates to electronic document workflows

downloadable computer software for cryptographic hashing, timestamping, and verification of electronic files using blockchain technology; downloadable application programming interface (API) software and software development kits (SDKs) for integrating blockchain-based timestamping and verification into third-party software; downloadable computer software for generating, storing, and sharing verification links for electronic documents; downloadable computer software for accessing blockchain explorers to view timestamp proofs; downloadable computer software for synchronizing or replicating cloud storage buckets to a document timestamping service

electronic document authentication services using blockchain technology; user authentication services using blockchain technology for verifying the integrity and authenticity of electronic documents

Filing History

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Nov 7, 2025 NWOS
APPLICATION FILING RECEIPT MAILED
Nov 5, 2025 MAFR
NEW APPLICATION ENTERED
Nov 5, 2025 NWAP