Who owns the SIJIDOU trademark?

The SIJIDOU trademark is owned by Chuanbo Zhou.

What class is the SIJIDOU trademark registered in?

The SIJIDOU trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for SIJIDOU?

The USPTO serial number for SIJIDOU is 99353517.

What is the registration number for SIJIDOU?

SIJIDOU is registered under USPTO registration number 8269862.

Sealvo

Home Search: SIJIDOUSIJIDOU #99353517

Back

Updated Oct 10, 2026·25 searches this week

View on USPTO TSDR Find similar marks

SIJ

USPTO Trademark Record

REGISTERED

SIJIDOU

SN 99353517·Reg 8269862·Filed Aug 23, 2025

Owner Chuanbo Zhou

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

SIJIDOU (Serial No. 99353517), Registration No. 8269862, is a registered US trademark filed on Aug 23, 2025 by Chuanbo Zhou. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: May 26, 2032

Mark Intelligence

SIJIDOU (Reg. #8269862) is a registered US trademark that has been protecting its owner, Chuanbo Zhou, since 2025. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 23, 2025

SERIAL

99353517

REG#

8269862

REGISTERED

May 26, 2026

Filing Information

StatusREGISTERED

Filing DateAug 23, 2025

Serial Number99353517

Registration No.8269862

Registration DateMay 26, 2026

Status DateMay 26, 2026

Published for OppositionApr 07, 2026

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: May 28, 2025

First use in commerce: May 28, 2025

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

23 events

REGISTERED-PRINCIPAL REGISTER

May 26, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Apr 07, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 07, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 01, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Mar 11, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 11, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 11, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Mar 11, 2026

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 11, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 11, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 11, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 11, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jan 15, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 15, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 15, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jan 14, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 13, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jan 13, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Aug 23, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 23, 2025

APPLICATION FILING RECEIPT MAILED

Other Marks by Nitin Kaushik

Additional USPTO filings handled by the same attorney of record.

JET

JETPRO

88241397

REGISTERED

ABR

ABRAPRO

99700212

REGISTERED

SCO

SCODRAS

99297998

REGISTERED

LOV

LOVE CYER

99520016

REGISTERED

SIJIDOU

Run a conflict check

Other Marks by Nitin Kaushik

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company