Who owns the STAK trademark?

The STAK trademark is owned by Stak Corp..

What class is the STAK trademark registered in?

The STAK trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for STAK?

The USPTO serial number for STAK is 97880407.

What is the registration number for STAK?

STAK is registered under USPTO registration number 0.

STAK - Owned by Stak Corp. - (Class 009)

What to file next

Statement of Use, or a request for a further extension

When: Due six months from the notice of allowance.
Extensions and grace: Five six-month extensions are available, giving a thirty-six-month ceiling from the notice of allowance. There is no extension beyond it.
If it is missed: The application goes abandoned. A petition to revive runs two months from the notice of abandonment.

Statement of Use deadlines

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

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.

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

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

43 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 09, 2026

Code EXRA

SOU EXTENSION 5 GRANTED

Oct 08, 2026

Code EX5G

SOU TEAS EXTENSION RECEIVED

Oct 06, 2026

Code EEXT

SOU EXTENSION 5 FILED

Oct 06, 2026

Code EXT5

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 18, 2026

Code EXRA

SOU EXTENSION 4 GRANTED

Jun 17, 2026

Code EX4G

TEAS PETITION TO REVIVE RECEIVED

Jun 03, 2026

Code PROA

PETITION TO REVIVE-GRANTED

Jun 03, 2026

Code PETG

NOTICE OF REVIVAL - E-MAILED

Jun 03, 2026

Code NREV

SOU EXTENSION RECEIVED WITH TEAS PETITION

Jun 03, 2026

Code TPEX

ABANDONMENT - NO USE STATEMENT FILED

May 11, 2026

Code ABN6

ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED

May 11, 2026

Code MAB6

SOU EXTENSION 4 FILED

Apr 09, 2026

Code EXT4

SOU EXTENSION 3 GRANTED

Oct 08, 2025

Code EX3G

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 08, 2025

Code EXRA

SOU TEAS EXTENSION RECEIVED

Oct 07, 2025

Code EEXT

SOU EXTENSION 3 FILED

Oct 07, 2025

Code EXT3

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 15, 2025

Code EXRA

CASE ASSIGNED TO INTENT TO USE PARALEGAL

May 29, 2025

Code AITU

SOU EXTENSION 2 GRANTED

May 29, 2025

Code EX2G

NOTICE OF REVIVAL - E-MAILED

Apr 11, 2025

Code NREV

SOU EXTENSION RECEIVED WITH TEAS PETITION

Apr 11, 2025

Code TPEX

TEAS PETITION TO REVIVE RECEIVED

Apr 11, 2025

Code PROA

PETITION TO REVIVE-GRANTED

Apr 11, 2025

Code PETG

SOU EXTENSION 2 FILED

Apr 08, 2025

Code EXT2

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

Mar 10, 2025

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 10, 2025

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 10, 2025

Code TCCA

SOU TEAS EXTENSION RECEIVED

Sep 30, 2024

Code EEXT

SOU EXTENSION 1 FILED

Sep 30, 2024

Code EXT1

SOU EXTENSION 1 GRANTED

Sep 30, 2024

Code EX1G

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 30, 2024

Code EXRA

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

May 06, 2024

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 06, 2024

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 06, 2024

Code TCCA

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Apr 09, 2024

Code NOAM

PUBLISHED FOR OPPOSITION

Feb 13, 2024

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 13, 2024

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 24, 2024

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 08, 2024

Code CNSA

ASSIGNED TO EXAMINER

Jan 05, 2024

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 03, 2023

Code NWOS

NEW APPLICATION ENTERED

Apr 13, 2023

Code NWAP

What usually happens from here

Of the 55,744 marks on the USPTO register that reached notice of approval of extension request e-mailed:

Registered24% (13,462)

Abandoned66% (36,944)

Still pending10% (5,338)

Historical frequencies across the whole register, not a prediction about this mark. The outcome of any one application depends on what is filed and when.

Other Marks by Stak Corp.

Additional USPTO filings from the same owner.

EVC

EV CAROUSEL

98590689

Stak Corp.

REGISTERED

STA

STAK

97880467

Stak Corp.

REGISTERED

STA

STAK MOBILITY

90887785

Stak Corp.

REGISTERED

STA

STAK MOTOR CLUB

90887843

Stak Corp.

REGISTERED

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Additional USPTO filings handled by the same attorney of record.

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STAK

What to file next

Full Goods & Services

Filing Basis & Declarations

What usually happens from here

Other Marks by Stak Corp.

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Michael Steinmetz

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