Who owns the TANDEM trademark?

The TANDEM trademark is owned by BIZWORKS LIMITED.

What is the serial number for TANDEM?

The USPTO serial number for TANDEM is 79403746.

What is the registration number for TANDEM?

TANDEM is registered under USPTO registration number 7924109.

TAN

USPTO Trademark Record

REGISTERED

TANDEM

Q: What class is the TANDEM trademark registered in?

The TANDEM trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 79403746·Reg 7924109·Filed May 27, 2024

Owner BIZWORKS LIMITED

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.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

TANDEM (Serial No. 79403746), Registration No. 7924109, is a registered US trademark filed on May 27, 2024 by BIZWORKS LIMITED. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

early section 8: September 02, 2031

Mark Intelligence

TANDEM (Reg. #7924109) is a registered US trademark that has been protecting its owner, BIZWORKS LIMITED, since 2024. The mark covers Class 009 (Electronics, software & scientific instruments), Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 4 opposition proceedings during prosecution.

FILED

May 27, 2024

SERIAL

79403746

REG#

7924109

REGISTERED

Sep 02, 2025

Owner

Applicant

BIZWORKS LIMITED

Entity

Not Provided

Address

MGI Plus More (Auckland) Limited,, Level 5, 32-34, Mahuhu Crescent Auckland 1010

Country

Attorney

NameBradley P. Heisler

Law firm

Bradley P. Heisler Heisler & Associates

Docket

25209.005

Address

3017 Douglas Blvd., Suite 300, Roseville, CA 95661, United States

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Filing Information

StatusREGISTERED

Filing DateMay 27, 2024

Serial Number79403746

Registration No.7924109

Registration DateSep 02, 2025

Status DateSep 02, 2025

Published for OppositionJul 15, 2025

Mark TypeStandard characters

Attorney Docket25209.005

Status DescriptionLive and registered

Filing Signals

FILED

2024

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 4× 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.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

Status History

24 events

FINAL DISPOSITION PROCESSED

Mar 19, 2026

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Mar 19, 2026

FINAL DISPOSITION NOTICE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Feb 19, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Feb 04, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Feb 04, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Dec 02, 2025

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Sep 02, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 02, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 15, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 15, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 09, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 11, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 08, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 08, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 08, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Jan 25, 2025

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Jan 07, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Jan 07, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Dec 17, 2024

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Dec 16, 2024

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Dec 10, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 09, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 09, 2024

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Sep 05, 2024

SN ASSIGNED FOR SECT 66A APPL FROM IB

TANDEM

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