Who owns the CK trademark?

The CK trademark is owned by Shenzhen Jianeng Security Technology Co., Ltd.

What class is the CK trademark registered in?

The CK trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for CK?

The USPTO serial number for CK is 88561946.

What is the registration number for CK?

CK is registered under USPTO registration number 6150757.

CK - Owned by Shenzhen Jianeng Security Technology Co., Ltd - (Class 009)

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 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: May 12, 2019

First use in commerce: May 12, 2019

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

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

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Status History

18 events

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

Sep 15, 2025

Code REM1

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Sep 15, 2025

Code WOAR

WITHDRAWAL OF ATTORNEY GRANTED

Sep 15, 2025

Code WOAG

REGISTERED-PRINCIPAL REGISTER

Sep 15, 2020

Code R.PR

PUBLISHED FOR OPPOSITION

Jun 30, 2020

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2020

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 17, 2020

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

May 27, 2020

Code CNSA

TEAS/EMAIL CORRESPONDENCE ENTERED

May 07, 2020

Code TEME

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 06, 2020

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 06, 2020

Code CRFA

NON-FINAL ACTION WRITTEN

Nov 07, 2019

Code CNRT

NON-FINAL ACTION E-MAILED

Nov 07, 2019

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 07, 2019

Code GNRN

ASSIGNED TO EXAMINER

Nov 01, 2019

Code DOCK

NOTICE OF DESIGN SEARCH CODE E-MAILED

Aug 21, 2019

Code MDSC

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 20, 2019

Code NWOS

NEW APPLICATION ENTERED

Aug 06, 2019

Code NWAP

Other Marks by Shenzhen Jianeng Security Technology Co., Ltd

Additional USPTO filings from the same owner.

HOM

HOMSMAR

88562000

Shenzhen Jianeng Security Technology Co., Ltd

ABANDONED

SMA

SMARSECUR

88562055

Shenzhen Jianeng Security Technology Co., Ltd

ABANDONED

Other Marks in Class 009 — Electronics, software & scientific instruments

Recently filed and registered marks in the same international class.

87860262

Cliff Keen Wrestling Products Inc.

REGISTERED

79361576

Neutrik AG

REGISTERED

79361300

Neutrik AG

REGISTERED

85738826

APPLE INC.

REGISTERED

CK

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Shenzhen Jianeng Security Technology Co., Ltd

Other Marks in Class 009 — Electronics, software & scientific instruments

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company

Exceptions