Who owns the CHAINFREE trademark?

The CHAINFREE trademark is owned by ChainFree USA.

What is the serial number for CHAINFREE?

The USPTO serial number for CHAINFREE is 99335360.

What is the registration number for CHAINFREE?

CHAINFREE is registered under USPTO registration number 8351130.

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Home Search: CHAINFREECHAINFREE #99335360

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Updated Oct 25, 2026·18 searches this week

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CHA

USPTO Trademark Record

REGISTERED

CHAINFREE

Q: What class is the CHAINFREE trademark registered in?

The CHAINFREE trademark is registered in Class 037 (Construction, installation & repair services), Class 041 (Education & entertainment services).

SN 99335360·Reg 8351130·Filed Aug 13, 2025

Owner ChainFree USA

Construction services; installation and repair services; mining extraction, oil and gas drilling.; Education; providing of training; entertainment; sporting and cultural activities.

CHAINFREE (Serial No. 99335360), Registration No. 8351130, is a registered US trademark filed on Aug 13, 2025 by ChainFree USA. This trademark covers Class 037 (Construction, installation & repair services), Class 041 (Education & entertainment services).

early section 8: July 21, 2032

Mark Intelligence

CHAINFREE (Reg. #8351130) is a registered US trademark that has been protecting its owner, ChainFree USA, since 2025. The mark covers Class 037 (Construction, installation & repair services) and Class 041 (Education & entertainment services) respectively. Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.; Education; providing .... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 13, 2025

SERIAL

99335360

REG#

8351130

REGISTERED

Jul 21, 2026

Filing Information

StatusREGISTERED

Filing DateAug 13, 2025

Serial Number99335360

Registration No.8351130

Registration DateJul 21, 2026

Status DateJul 21, 2026

Published for OppositionJun 02, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Sep 04, 2021

First use in commerce: Sep 04, 2021

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Mar 01, 2024

First use in commerce: Mar 01, 2024

Education; providing of training; entertainment; sporting and cultural activities.

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

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Status History

20 events

REGISTERED-PRINCIPAL REGISTER

Jul 21, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jul 21, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 02, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 02, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 27, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 05, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Apr 29, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Apr 29, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Apr 29, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Apr 29, 2026

EXAMINER'S AMENDMENT ENTERED

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 01, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 30, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 30, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Dec 30, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 30, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 30, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 29, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 28, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 17, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 13, 2025

APPLICATION FILING RECEIPT MAILED

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