PORTALSIX
LIVE

Serial Number

99518588

Owner

SIX3RO, Inc.

Attorney

Kelly L Kasha

First Use Date

Nov 21, 2025

Filing Date

Nov 26, 2025

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PORTALSIX Trademark

Serial Number: 99518588 • Registration: 8304538

PORTALSIX is a trademark filed by SIX3RO, Inc. on November 26, 2025. The trademark is classified under Class 42 (Computer & Scientific). The application is currently registered and active.

Owner Contact Info

SIX3RO, Inc. (2 trademarks)

506 North Pickett Street
Alexandria, VA 22304

Entity Type: 03

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.

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Jun 16, 2026 NRCC
REGISTERED-PRINCIPAL REGISTER
Jun 16, 2026 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Apr 28, 2026 NPUB
PUBLISHED FOR OPPOSITION
Apr 28, 2026 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Apr 22, 2026 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Apr 1, 2026 CNSA
ASSIGNED TO EXAMINER
Mar 31, 2026 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 12, 2026 NWOS
APPLICATION FILING RECEIPT MAILED
Nov 26, 2025 MAFR
NEW APPLICATION ENTERED
Nov 26, 2025 NWAP