Who owns the TREBLE CLEF AUDIO trademark?

The TREBLE CLEF AUDIO trademark is owned by Ellegaarden R&D ApS.

What is the serial number for TREBLE CLEF AUDIO?

The USPTO serial number for TREBLE CLEF AUDIO is 79415751.

What is the registration number for TREBLE CLEF AUDIO?

TREBLE CLEF AUDIO is registered under USPTO registration number 8163990.

TRE

USPTO Trademark Record

REGISTERED

TREBLE CLEF AUDIO

Q: What class is the TREBLE CLEF AUDIO trademark registered in?

The TREBLE CLEF AUDIO trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 035 (Advertising, business management & retail services).

SN 79415751·Reg 8163990·Filed Dec 20, 2024

Owner Ellegaarden R&D ApS

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.; Advertising; business management, organization and administration; office functions.

TREBLE CLEF AUDIO (Serial No. 79415751), Registration No. 8163990, is a registered US trademark filed on Dec 20, 2024 by Ellegaarden R&D ApS. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 035 (Advertising, business management & retail services).

early section 8: March 10, 2032

Mark Intelligence

TREBLE CLEF AUDIO (Reg. #8163990) is a registered US trademark that has been protecting its owner, Ellegaarden R&D ApS, since 2024. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 035 (Advertising, business management & retail services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 6 opposition proceedings during prosecution.

FILED

Dec 20, 2024

SERIAL

79415751

REG#

8163990

REGISTERED

Mar 10, 2026

Owner

Applicant

Ellegaarden R&D ApS

Entity

Not Provided

Address

Møllehaven 12B, st., DK-4040 Jyllinge

Country

Attorney

NameJulie E. Reitz

Law firm

Julie E. Reitz Honigman LLP

Docket

238180578996

Address

39400 Woodward Avenue, Suite 101, Bloomfield Hills, MI 48304-5151, United States

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Filing Information

StatusREGISTERED

Filing DateDec 20, 2024

Serial Number79415751

Registration No.8163990

Registration DateMar 10, 2026

Status DateMar 10, 2026

Published for OppositionJan 20, 2026

Mark TypeStandard characters

Attorney Docket238180578996

Status DescriptionLive and registered

Filing Signals

FILED

2024

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 6× 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

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

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

Status History

25 events

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Jul 16, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Jun 29, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jun 29, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jun 10, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Mar 10, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 10, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 20, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 20, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Jan 15, 2026

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 14, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Dec 31, 2025

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Dec 30, 2025

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO 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 IB

Aug 23, 2025

REFUSAL PROCESSED BY IB

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Jul 31, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

REFUSAL PROCESSED BY MPU

Jul 30, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jun 10, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Jun 09, 2025

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Jun 06, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 02, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Feb 02, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jan 30, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

TREBLE CLEF AUDIO

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