Who owns the EK SA trademark?

The EK SA trademark is owned by OSSTEM IMPLANT CO., LTD..

What class is the EK SA trademark registered in?

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

What is the serial number for EK SA?

The USPTO serial number for EK SA is 79429327.

What is the registration number for EK SA?

EK SA is registered under USPTO registration number 8428435.

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EKS

USPTO Trademark Record

REGISTERED

EK SA

SN 79429327·Reg 8428435·Filed Jun 04, 2025

Owner OSSTEM IMPLANT 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.

EK SA (Serial No. 79429327), Registration No. 8428435, is a registered US trademark filed on Jun 04, 2025 by OSSTEM IMPLANT CO., LTD.. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

early section 8: September 15, 2032

Mark Intelligence

EK SA (Reg. #8428435) is a registered US trademark that has been protecting its owner, OSSTEM IMPLANT 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

Jun 04, 2025

SERIAL

79429327

REG#

8428435

REGISTERED

Sep 15, 2026

Filing Information

StatusREGISTERED

Filing DateJun 04, 2025

Serial Number79429327

Registration No.8428435

Registration DateSep 15, 2026

Status DateSep 15, 2026

Published for OppositionJul 28, 2026

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.

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Status History

31 events

REGISTERED-PRINCIPAL REGISTER

Sep 15, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 15, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 28, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 28, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 22, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 01, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Jun 26, 2026

ASSIGNED TO LIE

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 26, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 26, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 26, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

Jun 24, 2026

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Jun 23, 2026

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

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

Mar 26, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 26, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Mar 26, 2026

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 26, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

SUSPENSION LETTER WRITTEN

Dec 23, 2025

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Dec 23, 2025

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Dec 23, 2025

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 21, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 21, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 21, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Nov 30, 2025

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Nov 07, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Nov 07, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Sep 18, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Sep 17, 2025

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Sep 15, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 08, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 08, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Aug 07, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

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