Who owns the STAK trademark?

The STAK trademark is owned by Tax Lien Code LLC.

What is the serial number for STAK?

The USPTO serial number for STAK is 99466148.

What is the registration number for STAK?

STAK is registered under USPTO registration number 0.

STAK - Owned by Tax Lien Code LLC - (Class 009, Class 041)

Q: What class is the STAK trademark registered in?

The STAK trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 041 (Education & entertainment services).

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.

Class 041Education & entertainment services

US codes: 100, 101, 107

Education; providing of training; entertainment; sporting and cultural activities.

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

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Status History

9 events

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jun 09, 2026

Code NOAM

PUBLISHED FOR OPPOSITION

Apr 14, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 14, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 08, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 20, 2026

Code CNSA

ASSIGNED TO EXAMINER

Mar 12, 2026

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

Code NWOS

NEW APPLICATION ENTERED

Oct 28, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Oct 28, 2025

Code MAFR

What usually happens from here

Of the 52,488 marks on the USPTO register that reached noa e-mailed - sou required from applicant:

Registered33% (17,296)

Abandoned56% (29,463)

Still pending11% (5,729)

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 Tax Lien Code LLC

Additional USPTO filings from the same owner.

TLC

99482420

Tax Lien Code LLC

REGISTERED

TAX

TAXLIENCODE

99482223

Tax Lien Code LLC

PENDING

TAX

TAX LIEN CODE

98714122

Tax Lien Code, LLC

ABANDONED

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

Recently filed and registered marks in the same international class.

STA

STAK

98639991

California Enthusiasm Authority LLC

PENDING

STA

STAK

97880407

Stak Corp.

PENDING

STA

STAK

98639274

California Enthusiasm Authority LLC

ABANDONED

STA

STAK

88416338

ATLAS PROJ TECNOLOGIA LTDA

ABANDONED

Other Marks by Kevin Hawkes

Additional USPTO filings handled by the same attorney of record.

0DO

$0 DOWN

87282528

REGISTERED

PAT

PATHFINDER

99405528

REGISTERED

MET

METABOLIC MASTER

99537692

REGISTERED

SCH

SCHOOL WEBMASTERS

78973923

REGISTERED

STAK

What to file next

Full Goods & Services

Filing Basis & Declarations

What usually happens from here

Other Marks by Tax Lien Code LLC

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

Other Marks by Kevin Hawkes

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