Who owns the TANDEM THEORY trademark?

The TANDEM THEORY trademark is owned by Tandem Theory, LLC.

What is the serial number for TANDEM THEORY?

The USPTO serial number for TANDEM THEORY is 86286708.

What is the registration number for TANDEM THEORY?

TANDEM THEORY is registered under USPTO registration number 4802035.

TAN

USPTO Trademark Record

REGISTERED

TANDEM THEORY

Q: What class is the TANDEM THEORY trademark registered in?

The TANDEM THEORY trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 86286708·Reg 4802035·Filed May 20, 2014

Owner Tandem Theory, LLC

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 THEORY (Serial No. 86286708), Registration No. 4802035, is a registered US trademark filed on May 20, 2014 by Tandem Theory, LLC. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: September 03, 2035

Mark Intelligence

TANDEM THEORY (Reg. #4802035) is a registered US trademark that has been protecting its owner, Tandem Theory, LLC, since 2014. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 20, 2014

SERIAL

86286708

REG#

4802035

REGISTERED

Sep 01, 2015

Owner

Applicant

Tandem Theory, LLC

Entity

LLC

State

Address

15400 Knoll Trail Suite 503, Dallas, TX, 75248

Country

Attorney

NameRichard G. Eldredge

Law firm

Richard G. Eldredge LEAVITT ELDREDGE LAW FIRM

Address

4204 SW Green Oaks Blvd, Ste 140, Arlington, TX 76017, United States

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Filing Information

StatusREGISTERED

Filing DateMay 20, 2014

Serial Number86286708

Registration No.4802035

Registration DateSep 01, 2015

Status DateMay 05, 2026

Published for OppositionJun 16, 2015

Next RenewalSeptember 03, 2035

Mark TypeStandard characters

Status DescriptionLive and registered, renewed

Filing Signals

FILED

2014

YEARS AGO

12y

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Jul 18, 2013

First use in commerce: Jul 18, 2013

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

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jul 18, 2013

First use in commerce: Jul 18, 2013

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

39 events

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

May 05, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 05, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

May 05, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 04, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Mar 02, 2026

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 19, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 19, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 19, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Sep 01, 2024

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

May 23, 2024

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 23, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 23, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

May 23, 2024

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Nov 05, 2021

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Nov 05, 2021

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 03, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Jul 28, 2021

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Sep 01, 2020

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 08, 2019

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Sep 01, 2015

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jun 16, 2015

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 16, 2015

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 27, 2015

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

May 12, 2015

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

May 12, 2015

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 20, 2015

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Apr 14, 2015

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Apr 14, 2015

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Apr 14, 2015

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Apr 14, 2015

EXAMINER'S AMENDMENT ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 10, 2015

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 10, 2015

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 10, 2015

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Sep 12, 2014

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 12, 2014

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 12, 2014

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Sep 04, 2014

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 03, 2014

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 23, 2014

NEW APPLICATION ENTERED

TANDEM THEORY

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