Who owns the SEKISUI trademark?

The SEKISUI trademark is owned by Sekisui Kagaku Kogyo Kabushiki Kaisha.

What is the serial number for SEKISUI?

The USPTO serial number for SEKISUI is 98106352.

What is the registration number for SEKISUI?

SEKISUI is registered under USPTO registration number 8036225.

SEK

USPTO Trademark Record

REGISTERED

SEKISUI

Q: What class is the SEKISUI trademark registered in?

The SEKISUI trademark is registered in Class 019 (Non-metallic building materials), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

SN 98106352·Reg 8036225·Filed Jul 28, 2023

Owner Sekisui Kagaku Kogyo Kabushiki Kaisha

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.; Construction services; installation and repair services; mining extraction, oil and gas drilling.; 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.

SEKISUI (Serial No. 98106352), Registration No. 8036225, is a registered US trademark filed on Jul 28, 2023 by Sekisui Kagaku Kogyo Kabushiki Kaisha. This trademark covers Class 019 (Non-metallic building materials), Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

early section 8: November 25, 2031

Mark Intelligence

SEKISUI (Reg. #8036225) is a registered US trademark that has been protecting its owner, Sekisui Kagaku Kogyo Kabushiki Kaisha, since 2023. The mark covers Class 019 (Non-metallic building materials), Class 037 (Construction, installation & repair services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and.... The mark faced 2 opposition proceedings during prosecution.

FILED

Jul 28, 2023

SERIAL

98106352

REG#

8036225

REGISTERED

Nov 25, 2025

Owner

Applicant

Sekisui Kagaku Kogyo Kabushiki Kaisha

Entity

Corporation

Address

4-4, Nishitemma 2-chome, Kita-ku, Osaka-shi, Osaka, 530-8565

Country

Attorney

NameBassam N. Ibrahim

Law firm

Bassam N. Ibrahim BUCHANAN INGERSOLL & ROONEY, PC

Docket

1034347-687

Address

1737 KING STREET, SUITE 500, ALEXANDRIA, VA 22314, United States

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Filing Information

StatusREGISTERED

Filing DateJul 28, 2023

Serial Number98106352

Registration No.8036225

Registration DateNov 25, 2025

Status DateNov 25, 2025

Published for OppositionOct 07, 2025

Mark TypeDesign with words

Attorney Docket1034347-687

Status DescriptionLive and registered

Filing Signals

FILED

2023

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 2× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 019Non-metallic building materials

US codes: 001, 012, 033, 050

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

Class 037Construction, installation & repair services

US codes: 100, 103, 106

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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.

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

Status History

28 events

REGISTERED-PRINCIPAL REGISTER

Nov 25, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 25, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Oct 07, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 07, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 01, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

PETITION TO DIRECTOR - CHANGE BASIS - GRANTED

Jun 02, 2025

PETITION TO DIRECTOR - CHANGE BASIS - GRANTED

ASSIGNED TO PETITION STAFF

Jun 02, 2025

ASSIGNED TO PETITION STAFF

JURISDICTION RESTORED TO EXAMINING ATTORNEY

Jun 02, 2025

JURISDICTION RESTORED TO EXAMINING ATTORNEY

SOU EXTENSION 1 GRANTED

May 02, 2025

SOU EXTENSION 1 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

May 02, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

May 01, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

May 01, 2025

SOU EXTENSION 1 FILED

TEAS PETITION TO AMEND BASIS RECEIVED

May 01, 2025

TEAS PETITION TO AMEND BASIS RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Nov 05, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Sep 10, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 10, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 21, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 05, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 05, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 05, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 05, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

May 05, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 05, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 05, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 29, 2024

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Aug 29, 2023

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 28, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 01, 2023

NEW APPLICATION ENTERED

SEKISUI

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