Who owns the K1 trademark?

The K1 trademark is owned by Quantum Ergonomics Pty Limited.

What class is the K1 trademark registered in?

The K1 trademark is registered in Class 010 (Surgical, medical, dental & veterinary apparatus).

What is the serial number for K1?

The USPTO serial number for K1 is 79414517.

What is the registration number for K1?

K1 is registered under USPTO registration number 8054815.

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USPTO Trademark Record

REGISTERED

K1

SN 79414517·Reg 8054815·Filed Dec 10, 2024

Owner Quantum Ergonomics Pty Limited

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.

K1 (Serial No. 79414517), Registration No. 8054815, is a registered US trademark filed on Dec 10, 2024 by Quantum Ergonomics Pty Limited. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

early section 8: December 09, 2031

Mark Intelligence

K1 (Reg. #8054815) is a registered US trademark that has been protecting its owner, Quantum Ergonomics Pty Limited, since 2024. 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 4 opposition proceedings during prosecution.

FILED

Dec 10, 2024

SERIAL

79414517

REG#

8054815

REGISTERED

Dec 09, 2025

Filing Information

StatusREGISTERED

Filing DateDec 10, 2024

Serial Number79414517

Registration No.8054815

Registration DateDec 09, 2025

Status DateDec 09, 2025

Published for OppositionOct 21, 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.

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Status History

30 events

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jun 25, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

GENERIC MADRID TRANSACTION CREATED

Jun 21, 2026

GENERIC MADRID TRANSACTION CREATED

GENERIC MADRID TRANSACTION SENT TO IB

Jun 21, 2026

GENERIC MADRID TRANSACTION SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Jun 08, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jun 08, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Mar 09, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Dec 09, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 09, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Oct 21, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 21, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 15, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 19, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 19, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 19, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Sep 19, 2025

REFUSAL PROCESSED BY IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 19, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

REFUSAL PROCESSED BY MPU

Aug 29, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Aug 29, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jul 26, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Jul 25, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION (IB REFUSAL) WITHDRAWN FOR REVIEW

Jul 24, 2025

NON-FINAL ACTION (IB REFUSAL) WITHDRAWN FOR REVIEW

CHANGE OF OWNER RECEIVED FROM IB

Jul 04, 2025

CHANGE OF OWNER RECEIVED FROM IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jun 01, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

May 31, 2025

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

May 28, 2025

ASSIGNED TO EXAMINER

NEW REPRESENTATIVE AT IB RECEIVED

Mar 28, 2025

NEW REPRESENTATIVE AT IB RECEIVED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 24, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Jan 24, 2025

APPLICATION FILING RECEIPT MAILED

LIMITATION FROM ORIGINAL APPLICATION ENTERED

Jan 23, 2025

LIMITATION FROM ORIGINAL APPLICATION ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jan 09, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

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