Who owns the COISIEN trademark?

The COISIEN trademark is owned by Shenzhen Tuoyi Technology Co., Ltd..

What class is the COISIEN trademark registered in?

The COISIEN trademark is registered in Class 008 (Hand tools, cutlery & side arms).

What is the serial number for COISIEN?

The USPTO serial number for COISIEN is 88878673.

What is the registration number for COISIEN?

COISIEN is registered under USPTO registration number 6164186.

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Updated Nov 8, 2026·19 searches this week

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Section 8 grace period ends

March 29, 2027

141 days remaining

COI

COISIEN

REGISTERED

Serial: 88878673
Reg: 6164186
Filed: Apr 20, 2020
Owner: Shenzhen Tuoyi Technology Co., Ltd.

Hand-operated hand tools and implements; cutlery; side arms, except firearms; razors.

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 008Hand tools, cutlery & side arms

US codes: 023, 028, 044

First use anywhere: Mar 26, 2020

First use in commerce: Mar 26, 2020

Hand-operated hand tools and implements; cutlery; side arms, except firearms; razors.

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

Status History

19 events

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

Sep 29, 2025

Code REM1

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 01, 2024

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 01, 2024

Code CHAN

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 01, 2024

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 01, 2024

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 01, 2024

Code TCCA

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Feb 01, 2024

Code EWAF

REGISTERED-PRINCIPAL REGISTER

Sep 29, 2020

Code R.PR

PUBLISHED FOR OPPOSITION

Jul 14, 2020

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 14, 2020

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2020

Code NONP

EXAMINERS AMENDMENT -WRITTEN

Jun 05, 2020

Code CNEA

EXAMINERS AMENDMENT E-MAILED

Jun 05, 2020

Code GNEA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 05, 2020

Code GNEN

EXAMINER'S AMENDMENT ENTERED

Jun 05, 2020

Code XAEC

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 05, 2020

Code CNSA

ASSIGNED TO EXAMINER

Jun 04, 2020

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 28, 2020

Code NWOS

NEW APPLICATION ENTERED

Apr 23, 2020

Code NWAP

COISIEN

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