Who owns the TWIN FIN trademark?

The TWIN FIN trademark is owned by Twin Fin Music LLC.

What is the serial number for TWIN FIN?

The USPTO serial number for TWIN FIN is 99617131.

What is the registration number for TWIN FIN?

TWIN FIN is registered under USPTO registration number 8520128.

TWI

USPTO Trademark Record

REGISTERED

TWIN FIN

Q: What class is the TWIN FIN trademark registered in?

The TWIN FIN trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

SN 99617131·Reg 8520128·Filed Jan 27, 2026

Owner Twin Fin Music LLC

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Education; providing of training; entertainment; sporting and cultural activities.

TWIN FIN (Serial No. 99617131), Registration No. 8520128, is a registered US trademark filed on Jan 27, 2026 by Twin Fin Music LLC. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

early section 8: October 27, 2032

Mark Intelligence

TWIN FIN (Reg. #8520128) is a registered US trademark that has been protecting its owner, Twin Fin Music LLC, since 2026. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 041 (Education & entertainment services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 27, 2026

SERIAL

99617131

REG#

8520128

REGISTERED

Oct 27, 2026

Owner

Applicant

Twin Fin Music LLC

Entity

LLC

State

Address

3504B Wela St, Honolulu, HI, 96815

Country

Attorney

Law firm

Twin Fin Music LLC

Address

3504B Wela St, Honolulu, HI 96815, United States

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Filing Information

StatusREGISTERED

Filing DateJan 27, 2026

Serial Number99617131

Registration No.8520128

Registration DateOct 27, 2026

Status DateOct 27, 2026

Published for OppositionSep 08, 2026

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2026

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Dec 27, 2021

First use in commerce: Dec 27, 2021

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Jun 05, 2021

First use in commerce: Jun 05, 2021

Education; providing of training; entertainment; sporting and cultural activities.

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

Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Oct 27, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 27, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Sep 08, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 08, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 02, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 10, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 06, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 06, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 06, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

May 26, 2026

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

May 26, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 26, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 26, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION ENTERED

Jan 27, 2026

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 27, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Jan 27, 2026

APPLICATION FILING RECEIPT MAILED

TWIN FIN

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