Serial Number
99518588
Owner
SIX3RO, Inc.Attorney
Kelly L KashaFirst Use Date
Nov 21, 2025
Filing Date
Nov 26, 2025
PORTALSIX Trademark
Serial Number: 99518588 • Registration: 8304538
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
Kelly L Kasha Kasha Law LLC
14532 Dufief Mill Rd
North Potomac, MD 20878
United States
Trademark Details
Filing Date
November 26, 2025
Registration Date
June 16, 2026
First Use Anywhere
November 21, 2025
First Use in Commerce
November 21, 2025
Published for Opposition
April 28, 2026
Goods & Services
Software as a service (SaaS) services featuring decentralized, non-downloadable software using post-quantum cryptography for secure, cross-boundary information exchange and encrypted data transfer that is agnostic to underlying network security protocols; providing temporary use of non-downloadable cloud-based software operating on a decentralized architecture for quantum-resistant encrypted communication and quantum-safe secure file sharing across organizational, national, and regulatory boundaries without reliance on centralized certificate authorities or specific network security protocols; providing online non-downloadable, decentralized software platforms using post-quantum cryptographic algorithms for protocol-agnostic, secure transmission of sensitive data between entities operating under differing or incompatible network security environments.