Who owns the COSFUN trademark?

The COSFUN trademark is owned by DongLian Chen.

What class is the COSFUN trademark registered in?

The COSFUN trademark is registered in Class 025 (Clothing, footwear & headgear).

What is the serial number for COSFUN?

The USPTO serial number for COSFUN is 86930601.

What is the registration number for COSFUN?

COSFUN is registered under USPTO registration number 5063202.

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Updated Oct 3, 2026·12 searches this week

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COS

USPTO Trademark Record

REGISTERED

COSFUN

SN 86930601·Reg 5063202·Filed Mar 07, 2016

Owner DongLian Chen

Clothing, footwear, headwear.

COSFUN (Serial No. 86930601), Registration No. 5063202, is a registered US trademark filed on Mar 07, 2016 by DongLian Chen. This trademark covers Class 025 (Clothing, footwear & headgear).

Section 8/9 declaration window: October 20, 2036

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Mark Intelligence

COSFUN (Reg. #5063202) is a registered US trademark that has been protecting its owner, DongLian Chen, since 2016. The mark covers Class 025 (Clothing, footwear & headgear). Goods and services include Clothing, footwear, headwear.. The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 07, 2016

SERIAL

86930601

REG#

5063202

REGISTERED

Oct 18, 2016

Filing Information

StatusREGISTERED

Filing DateMar 07, 2016

Serial Number86930601

Registration No.5063202

Registration DateOct 18, 2016

Status DateFeb 16, 2026

Published for OppositionAug 02, 2016

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Nov 14, 2015

First use in commerce: Nov 14, 2015

Clothing, footwear, headwear.

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

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Status History

21 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 16, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Feb 16, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Feb 16, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Feb 16, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Nov 16, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Oct 18, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Nov 16, 2022

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Nov 16, 2022

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 09, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 RECEIVED

May 27, 2022

TEAS SECTION 8 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Oct 18, 2021

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 18, 2017

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Oct 18, 2016

REGISTERED-PRINCIPAL REGISTER

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 24, 2016

TEAS CHANGE OF CORRESPONDENCE RECEIVED

PUBLISHED FOR OPPOSITION

Aug 02, 2016

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 02, 2016

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 13, 2016

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jun 20, 2016

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 20, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 11, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 10, 2016

NEW APPLICATION ENTERED

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