Who owns the TESSERACT-TAX trademark?

The TESSERACT-TAX trademark is owned by KnotTheory.ai Inc..

What class is the TESSERACT-TAX trademark registered in?

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

What is the serial number for TESSERACT-TAX?

The USPTO serial number for TESSERACT-TAX is 99700075.

What is the registration number for TESSERACT-TAX?

TESSERACT-TAX is registered under USPTO registration number 8469739.

TES

USPTO Trademark Record

REGISTERED

TESSERACT-TAX

SN 99700075·Reg 8469739·Filed Mar 13, 2026

Owner KnotTheory.ai Inc.

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.

TESSERACT-TAX (Serial No. 99700075), Registration No. 8469739, is a registered US trademark filed on Mar 13, 2026 by KnotTheory.ai Inc.. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: September 29, 2032

Mark Intelligence

TESSERACT-TAX (Reg. #8469739) is a registered US trademark that has been protecting its owner, KnotTheory.ai Inc., since 2026. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 13, 2026

SERIAL

99700075

REG#

8469739

REGISTERED

Sep 29, 2026

Owner

Applicant

KnotTheory.ai Inc.

Entity

Corporation

State

Address

34134 Bridle St., Fremont, CA, 94555

Country

Attorney

Law firm

KnotTheory.ai Inc.

Address

34134 Bridle St., Fremont, CA 94555, United States

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Filing Information

StatusREGISTERED

Filing DateMar 13, 2026

Serial Number99700075

Registration No.8469739

Registration DateSep 29, 2026

Status DateSep 29, 2026

Published for OppositionAug 11, 2026

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2026

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

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

First use anywhere: Mar 07, 2026

First use in commerce: Mar 07, 2026

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

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Sep 29, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 29, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Aug 11, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 11, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 05, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jul 14, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 14, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 13, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 13, 2026

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 13, 2026

APPLICATION FILING RECEIPT MAILED

TESSERACT-TAX

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