Who owns the LANGKEEN trademark?

The LANGKEEN trademark is owned by Shenzhen Lingzhi Electronics Co., Ltd..

What class is the LANGKEEN trademark registered in?

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

What is the serial number for LANGKEEN?

The USPTO serial number for LANGKEEN is 99388808.

What is the registration number for LANGKEEN?

LANGKEEN is registered under USPTO registration number 8228973.

LAN

LANGKEEN

REGISTERED

Serial: 99388808
Reg: 8228973
Filed: Sep 11, 2025
Owner: Shenzhen Lingzhi Electronics Co., Ltd.

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.

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: Jul 12, 2025

First use in commerce: Jul 12, 2025

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

15 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 11, 2026

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 11, 2026

Code CHAN

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

Oct 11, 2026

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 11, 2026

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 11, 2026

Code TCCA

REGISTERED-PRINCIPAL REGISTER

Apr 28, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 28, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Mar 10, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 10, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 04, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 11, 2026

Code CNSA

ASSIGNED TO EXAMINER

Feb 05, 2026

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 04, 2026

Code NWOS

NEW APPLICATION ENTERED

Sep 11, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Sep 11, 2025

Code MAFR

Other Marks by Yuneng Wang

Additional USPTO filings handled by the same attorney of record.

WOC

WOCOLOR8

99636303

REGISTERED

KIT

KITNEED

99736666

REGISTERED

XIA

XIANGSAIXUE

99704254

REGISTERED

JUN

JUNCHONG

99884573

REGISTERED

LANGKEEN

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Yuneng Wang

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