Who owns the SIGMA THEORY trademark?

The SIGMA THEORY trademark is owned by Sigma Theory LLC.

What class is the SIGMA THEORY trademark registered in?

The SIGMA THEORY trademark is registered in Class 045 (Legal, security & personal social services).

What is the serial number for SIGMA THEORY?

The USPTO serial number for SIGMA THEORY is 97413777.

What is the registration number for SIGMA THEORY?

SIGMA THEORY is registered under USPTO registration number 7210492.

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Home Search: SIGMA THEORYSIGMA THEORY #97413777

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Updated Sep 22, 2026·22 searches this week

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SIG

USPTO Trademark Record

REGISTERED

SIGMA THEORY

SN 97413777·Reg 7210492·Filed May 17, 2022

Owner Sigma Theory LLC

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

SIGMA THEORY (Serial No. 97413777), Registration No. 7210492, is a registered US trademark filed on May 17, 2022 by Sigma Theory LLC. This trademark covers Class 045 (Legal, security & personal social services).

early section 8: November 07, 2029

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Mark Intelligence

SIGMA THEORY (Reg. #7210492) is a registered US trademark that has been protecting its owner, Sigma Theory LLC, since 2022. The mark covers Class 045 (Legal, security & personal social services). Goods and services include Legal services; security services for the physical protection of tangible property and individuals; dating services, onl.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 17, 2022

SERIAL

97413777

REG#

7210492

REGISTERED

Nov 07, 2023

Filing Information

StatusREGISTERED

Filing DateMay 17, 2022

Serial Number97413777

Registration No.7210492

Registration DateNov 07, 2023

Status DateNov 07, 2023

Published for OppositionAug 22, 2023

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 045Legal, security & personal social services

US codes: 100, 101

First use anywhere: May 14, 2022

First use in commerce: May 14, 2022

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

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Status History

17 events

REGISTERED-PRINCIPAL REGISTER

Nov 07, 2023

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 07, 2023

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Aug 22, 2023

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 22, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 02, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 19, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Jul 12, 2023

ASSIGNED TO LIE

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 12, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 12, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

EXAMINERS AMENDMENT AND/OR PRIORITY ACTION - COMPLETED

Mar 10, 2023

EXAMINERS AMENDMENT AND/OR PRIORITY ACTION - COMPLETED

COMBINED EXAMINER'S AMENDMENT/PRIORITY ACTION AUTOMATIC ENTRY

Mar 10, 2023

COMBINED EXAMINER'S AMENDMENT/PRIORITY ACTION AUTOMATIC ENTRY

EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

Mar 10, 2023

EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

NOTIFICATION OF EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

Mar 10, 2023

NOTIFICATION OF EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 10, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

ASSIGNED TO EXAMINER

Mar 07, 2023

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 24, 2022

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 23, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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