Who owns the 64/4 THEOREM trademark?

The 64/4 THEOREM trademark is owned by Langstaff, Gary.

What class is the 64/4 THEOREM trademark registered in?

The 64/4 THEOREM trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for 64/4 THEOREM?

The USPTO serial number for 64/4 THEOREM is 97387533.

What is the registration number for 64/4 THEOREM?

64/4 THEOREM is registered under USPTO registration number 0.

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Home Search: 64/4 THEOREM64/4 THEOREM #97387533

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Updated Oct 6, 2026·17 searches this week

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644

USPTO Trademark Record

PENDING

64/4 THEOREM

SN 97387533·Reg 0·Filed Apr 28, 2022

Owner Langstaff, Gary

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.

64/4 THEOREM (Serial No. 97387533), Registration No. 0, is a pending US trademark filed on Apr 28, 2022 by Langstaff, Gary. This trademark covers Class 042 (Scientific, technology & SaaS services).

sou-expired: October 03, 2026

Mark Intelligence

64/4 THEOREM (Reg. #0) is a pending US trademark that was filed in 2022 and is currently under USPTO examination. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 28, 2022

SERIAL

97387533

REG#

Filing Information

StatusPENDING

Filing DateApr 28, 2022

Serial Number97387533

Registration No.0

Status DateAug 04, 2026

Published for OppositionAug 08, 2023

Mark TypeStandard characters

Filing Basis & Declarations

Standard Characters Claimed

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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

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Status History

42 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Aug 05, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 5 GRANTED

Aug 04, 2026

SOU EXTENSION 5 GRANTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Aug 03, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU TEAS EXTENSION RECEIVED

Apr 02, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 5 FILED

Apr 02, 2026

SOU EXTENSION 5 FILED

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

Nov 05, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 05, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 05, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

SOU EXTENSION 4 GRANTED

Oct 03, 2025

SOU EXTENSION 4 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 03, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Oct 02, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 4 FILED

Oct 02, 2025

SOU EXTENSION 4 FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Apr 04, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Apr 03, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Apr 03, 2025

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Apr 03, 2025

SOU EXTENSION 3 GRANTED

SOU TEAS EXTENSION RECEIVED

Oct 01, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Oct 01, 2024

SOU EXTENSION 2 FILED

SOU EXTENSION 2 GRANTED

Oct 01, 2024

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 01, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 13, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 1 GRANTED

Mar 12, 2024

SOU EXTENSION 1 GRANTED

SOU EXTENSION 1 FILED

Mar 12, 2024

SOU EXTENSION 1 FILED

SOU TEAS EXTENSION RECEIVED

Mar 12, 2024

SOU TEAS EXTENSION RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Oct 03, 2023

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Aug 08, 2023

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 08, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 19, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jul 06, 2023

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jul 06, 2023

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jul 06, 2023

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jul 06, 2023

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 06, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 07, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 06, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 06, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Mar 07, 2023

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 07, 2023

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 07, 2023

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 15, 2023

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 04, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 02, 2022

NEW APPLICATION ENTERED

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