Who owns the STACKLOK trademark?

The STACKLOK trademark is owned by Stacklok, Inc..

What class is the STACKLOK trademark registered in?

The STACKLOK trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for STACKLOK?

The USPTO serial number for STACKLOK is 97891672.

What is the registration number for STACKLOK?

STACKLOK is registered under USPTO registration number 0.

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Home Search: STACKLOKSTACKLOK #97891672

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Updated Sep 25, 2026·20 searches this week

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STA

USPTO Trademark Record

PENDING

STACKLOK

SN 97891672·Reg 0·Filed Apr 17, 2023

Owner Stacklok, Inc.

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.

STACKLOK (Serial No. 97891672), Registration No. 0, is a pending US trademark filed on Apr 17, 2023 by Stacklok, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Statement of Use due: December 25, 202691 days remaining

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Full conflict analysis for STACKLOK (SN 97891672) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

STACKLOK (Reg. #0) is a pending US trademark that was filed in 2023 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 17, 2023

SERIAL

97891672

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateApr 17, 2023

Serial Number97891672

Registration No.0

Registration DateDec 31, 1969

Status DateJun 02, 2026

Published for OppositionApr 30, 2024

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

33 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 03, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 02, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 4 FILED

Jun 02, 2026

SOU EXTENSION 4 FILED

SOU EXTENSION 4 GRANTED

Jun 02, 2026

SOU EXTENSION 4 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Dec 19, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Dec 18, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Dec 18, 2025

SOU EXTENSION 3 FILED

SOU EXTENSION 3 GRANTED

Dec 18, 2025

SOU EXTENSION 3 GRANTED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 25, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 25, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 25, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 25, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 24, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Jun 24, 2025

SOU EXTENSION 2 FILED

SOU EXTENSION 2 GRANTED

Jun 24, 2025

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 03, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Dec 23, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Dec 23, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Dec 23, 2024

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jun 25, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Apr 30, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 30, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 10, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 22, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 21, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 21, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 21, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Jan 12, 2024

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jan 12, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 12, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 12, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 11, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 20, 2023

NEW APPLICATION ENTERED

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Additional USPTO filings from the same owner.

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TRU

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ABANDONED

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