Who owns the STAX trademark?

The STAX trademark is owned by Stax Engineering, LLC.

What class is the STAX trademark registered in?

The STAX trademark is registered in Class 040 (Treatment & processing of materials).

What is the serial number for STAX?

The USPTO serial number for STAX is 99360992.

What is the registration number for STAX?

STAX is registered under USPTO registration number 8387991.

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Updated Sep 26, 2026·36 searches this week

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STA

USPTO Trademark Record

REGISTERED

STAX

SN 99360992·Reg 8387991·Filed Aug 27, 2025

Owner Stax Engineering, LLC

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

STAX (Serial No. 99360992), Registration No. 8387991, is a registered US trademark filed on Aug 27, 2025 by Stax Engineering, LLC. This trademark covers Class 040 (Treatment & processing of materials).

early section 8: August 11, 2032

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Mark Intelligence

STAX (Reg. #8387991) is a registered US trademark that has been protecting its owner, Stax Engineering, LLC, since 2025. The mark covers Class 040 (Treatment & processing of materials). Goods and services include Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food a.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 27, 2025

SERIAL

99360992

REG#

8387991

REGISTERED

Aug 11, 2026

Filing Information

StatusREGISTERED

Filing DateAug 27, 2025

Serial Number99360992

Registration No.8387991

Registration DateAug 11, 2026

Status DateAug 11, 2026

Published for OppositionJun 23, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 040Treatment & processing of materials

US codes: 100, 103, 106

First use anywhere: Jun 24, 2022

First use in commerce: Jun 24, 2022

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Aug 11, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 11, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 23, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 23, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 17, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 22, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 17, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 17, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 17, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jan 21, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 21, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 21, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jan 16, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 15, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 27, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 27, 2025

APPLICATION FILING RECEIPT MAILED

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