Who owns the SIX3RO trademark?

The SIX3RO trademark is owned by SIX3RO, Inc..

What class is the SIX3RO trademark registered in?

The SIX3RO trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for SIX3RO?

The USPTO serial number for SIX3RO is 99518586.

What is the registration number for SIX3RO?

SIX3RO is registered under USPTO registration number 8304537.

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Updated Oct 9, 2026·23 searches this week

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USPTO Trademark Record

REGISTERED

SIX3RO

SN 99518586·Reg 8304537·Filed Nov 26, 2025

Owner SIX3RO, Inc.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

SIX3RO (Serial No. 99518586), Registration No. 8304537, is a registered US trademark filed on Nov 26, 2025 by SIX3RO, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: June 16, 2032

Mark Intelligence

SIX3RO (Reg. #8304537) is a registered US trademark that has been protecting its owner, SIX3RO, Inc., since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 26, 2025

SERIAL

99518586

REG#

8304537

REGISTERED

Jun 16, 2026

Filing Information

StatusREGISTERED

Filing DateNov 26, 2025

Serial Number99518586