Who owns the CLEFSTAR trademark?

The CLEFSTAR trademark is owned by Sommerville. Carl.

What class is the CLEFSTAR trademark registered in?

The CLEFSTAR trademark is registered in Class 014 (Precious metals, jewelry, clocks & watches).

What is the serial number for CLEFSTAR?

The USPTO serial number for CLEFSTAR is 98363308.

What is the registration number for CLEFSTAR?

CLEFSTAR is registered under USPTO registration number 8305862.

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Updated Oct 27, 2026·8 searches this week

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CLE

USPTO Trademark Record

REGISTERED

CLEFSTAR

SN 98363308·Reg 8305862·Filed Jan 18, 2024

Owner Sommerville. Carl

Precious metals and their alloys; jewellery, precious and semi-precious stones; horological and chronometric instruments.

CLEFSTAR (Serial No. 98363308), Registration No. 8305862, is a registered US trademark filed on Jan 18, 2024 by Sommerville. Carl. This trademark covers Class 014 (Precious metals, jewelry, clocks & watches).

early section 8: June 16, 2032

Mark Intelligence

CLEFSTAR (Reg. #8305862) is a registered US trademark that has been protecting its owner, Sommerville. Carl, since 2024. The mark covers Class 014 (Precious metals, jewelry, clocks & watches). Goods and services include Precious metals and their alloys; jewellery, precious and semi-precious stones; horological and chronometric instruments.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 18, 2024

SERIAL

98363308

REG#

8305862

REGISTERED

Jun 16, 2026

Filing Information

StatusREGISTERED

Filing DateJan 18, 2024

Serial Number98363308

Registration No.8305862

Registration DateJun 16, 2026

Status DateJun 16, 2026

Published for OppositionSep 17, 2024

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 014Precious metals, jewelry, clocks & watches

US codes: 002, 027, 028, 050

First use anywhere: Oct 01, 2018

First use in commerce: Oct 01, 2018

Precious metals and their alloys; jewellery, precious and semi-precious stones; horological and chronometric instruments.

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

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Status History

24 events

REGISTERED-PRINCIPAL REGISTER

Jun 16, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 16, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 28, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 28, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

May 12, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

May 11, 2026

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

May 11, 2026

USE AMENDMENT FILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Dec 29, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU EXTENSION 2 GRANTED

Dec 29, 2025

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Dec 29, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Aug 08, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Aug 08, 2025

SOU EXTENSION 2 FILED

SOU EXTENSION 1 GRANTED

Feb 09, 2025

SOU EXTENSION 1 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Feb 09, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Feb 08, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Feb 08, 2025

SOU EXTENSION 1 FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 12, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Sep 17, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 17, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 28, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Aug 14, 2024

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 14, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 16, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 18, 2024

NEW APPLICATION ENTERED

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