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PORTALSIX

● Live · Registered

U.S. federal trademark · Serial No. 99518588 · Reg. No. 8304538

Mark
PORTALSIX
Status
Registered
Serial Number
99518588
Registration No.
8304538
Filing Date
November 26, 2025
Registration Date
June 16, 2026
Class(es)
Class 042

Owners

SIX3RO, Inc.
03 · Alexandria, VA, US
SIX3RO, Inc.
03 · Alexandria, VA, US
SIX3RO, Inc.
03 · Alexandria, VA, US

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.

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.