Who owns the STEMPLUG trademark?

The STEMPLUG trademark is owned by StemDen Co., Ltd..

What class is the STEMPLUG trademark registered in?

The STEMPLUG trademark is registered in Class 010 (Surgical, medical, dental & veterinary apparatus).

What is the serial number for STEMPLUG?

The USPTO serial number for STEMPLUG is 79422601.

What is the registration number for STEMPLUG?

STEMPLUG is registered under USPTO registration number 8122656.

Sealvo

Home Search: STEMPLUGSTEMPLUG #79422601

Back

Updated Sep 21, 2026·15 searches this week

View on USPTO TSDR Find similar marks

STE

USPTO Trademark Record

REGISTERED

STEMPLUG

SN 79422601·Reg 8122656·Filed Mar 18, 2025

Owner StemDen Co., Ltd.

Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contact lenses and sunglasses; orthopaedic articles; suture materials; therapeutic and assistive devices adapted for persons with disabilities; massage apparatus; apparatus, devices and articles for nursing infants; sexual activity apparatus, devices and articles.

STEMPLUG (Serial No. 79422601), Registration No. 8122656, is a registered US trademark filed on Mar 18, 2025 by StemDen Co., Ltd.. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

early section 8: February 03, 2032

Conflict Analysis

Full conflict analysis for STEMPLUG (SN 79422601) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

STEMPLUG (Reg. #8122656) is a registered US trademark that has been protecting its owner, StemDen Co., Ltd., since 2025. The mark covers Class 010 (Surgical, medical, dental & veterinary apparatus). Goods and services include Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contac.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 18, 2025

SERIAL

79422601

REG#

8122656

REGISTERED

Feb 03, 2026

Filing Information

StatusREGISTERED

Filing DateMar 18, 2025

Serial Number79422601

Registration No.8122656

Registration DateFeb 03, 2026

Status DateFeb 03, 2026

Published for OppositionDec 16, 2025

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 010Surgical, medical, dental & veterinary apparatus

US codes: 026, 039, 044

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

25 events

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

May 03, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Feb 03, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Feb 03, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Dec 16, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 16, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 10, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 19, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 18, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 17, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 17, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

REFUSAL PROCESSED BY IB

Oct 24, 2025

REFUSAL PROCESSED BY IB

NEW REPRESENTATIVE AT IB RECEIVED

Oct 09, 2025

NEW REPRESENTATIVE AT IB RECEIVED

REFUSAL PROCESSED BY MPU

Oct 09, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Oct 09, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 09, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 09, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Sep 09, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 09, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Sep 09, 2025

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Aug 27, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Aug 26, 2025

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Aug 18, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 02, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

May 02, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 01, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks by StemDen Co., Ltd.

Additional USPTO filings from the same owner.

PNU

PNUT1

79383730

StemDen Co., Ltd.

REGISTERED

STE

STEMDEN

97628403

STEMDEN CO., LTD.

REGISTERED

Other Marks by Chelseaa Larsen

Additional USPTO filings handled by the same attorney of record.

FLI

FLICKER WITHOUT THE FLAME

76630887

REGISTERED

XYV

XYVONA

99167175

REGISTERED

TRI

TRISALUS LIFE SCIENCES

88070795

REGISTERED

TRI

TRISALUS

97279136

REGISTERED

STEMPLUG

Run a conflict check

Other Marks by StemDen Co., Ltd.

Other Marks by Chelseaa Larsen

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company