Who owns the CELERKAEN trademark?

The CELERKAEN trademark is owned by Zhang Zhihao.

What class is the CELERKAEN trademark registered in?

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

What is the serial number for CELERKAEN?

The USPTO serial number for CELERKAEN is 99136994.

What is the registration number for CELERKAEN?

CELERKAEN is registered under USPTO registration number 8041899.

CELERKAEN - Owned by Zhang Zhihao - (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: Feb 26, 2025

First use in commerce: Feb 26, 2025

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

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Nov 25, 2025

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 25, 2025

Code NRCC

PUBLISHED FOR OPPOSITION

Oct 07, 2025

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 07, 2025

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 01, 2025

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 10, 2025

Code CNSA

ASSIGNED TO EXAMINER

Sep 09, 2025

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 11, 2025

Code NWOS

NEW APPLICATION ENTERED

Apr 15, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Apr 15, 2025

Code MAFR

Other Marks by Zhang Zhihao

Additional USPTO filings from the same owner.

HQI

HQIUSHUANG

98027860

ZHANG, ZHIHAO

REGISTERED

YOY

YOYGW

97299859

Zhang, Zhihao

REGISTERED

BAS

BASVO

90436658

ZHANG, ZHIHAO

REGISTERED

SHI

SHISLANGO

90551537

ZHANG, ZHIHAO

OTHERS

Other Marks by Sandy Lipkin

Additional USPTO filings handled by the same attorney of record.

URV

URVOO

90088613

REGISTERED

EUI

EUIROET

90194749

REGISTERED

LAH

LAHAND

90345994

REGISTERED

GRO

GROKIE

90363242

REGISTERED

CELERKAEN

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Zhang Zhihao

Other Marks by Sandy Lipkin

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company

Exceptions