Who owns the F trademark?

The F trademark is owned by Shanghai GuanKan Technology Service Co., Ltd..

What class is the F trademark registered in?

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

What is the serial number for F?

The USPTO serial number for F is 79429584.

What is the registration number for F?

F is registered under USPTO registration number 8155848.

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Updated Oct 21, 2026·8 searches this week

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USPTO Trademark Record

REGISTERED

F

SN 79429584·Reg 8155848·Filed May 29, 2025

Owner Shanghai GuanKan Technology Service Co., Ltd.

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

F (Serial No. 79429584), Registration No. 8155848, is a registered US trademark filed on May 29, 2025 by Shanghai GuanKan Technology Service Co., Ltd.. This trademark covers Class 014 (Precious metals, jewelry, clocks & watches).

early section 8: March 03, 2032

Mark Intelligence

F (Reg. #8155848) is a registered US trademark that has been protecting its owner, Shanghai GuanKan Technology Service Co., Ltd., since 2025. 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

May 29, 2025

SERIAL

79429584

REG#

8155848

REGISTERED

Mar 03, 2026

Filing Information

StatusREGISTERED

Filing DateMay 29, 2025

Serial Number79429584

Registration No.8155848

Registration DateMar 03, 2026

Status DateMar 03, 2026

Published for OppositionJan 13, 2026

Filing Basis & Declarations

Trademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 014Precious metals, jewelry, clocks & watches

US codes: 002, 027, 028, 050

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

23 events

FINAL DECISION TRANSACTION PROCESSED BY IB

Sep 17, 2026

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Aug 31, 2026

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Aug 31, 2026

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jun 03, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Mar 03, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 03, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 13, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 13, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 07, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

REFUSAL PROCESSED BY IB

Dec 18, 2025

REFUSAL PROCESSED BY IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 17, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 16, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 16, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 16, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY MPU

Dec 01, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Dec 01, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Oct 17, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

ASSIGNED TO EXAMINER

Oct 16, 2025

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Oct 16, 2025

NON-FINAL ACTION WRITTEN

LIMITATION FROM ORIGINAL APPLICATION ENTERED

Sep 12, 2025

LIMITATION FROM ORIGINAL APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 12, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 12, 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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