Who owns the KU-STRING trademark?

The KU-STRING trademark is owned by Shaoqing Cai.

What class is the KU-STRING trademark registered in?

The KU-STRING trademark is registered in Class 028 (Games, toys & sporting goods).

What is the serial number for KU-STRING?

The USPTO serial number for KU-STRING is 99181726.

What is the registration number for KU-STRING?

KU-STRING is registered under USPTO registration number 8067999.

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Home Search: KU-STRINGKU-STRING #99181726

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Updated Oct 27, 2026·16 searches this week

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KUS

USPTO Trademark Record

REGISTERED

KU-STRING

SN 99181726·Reg 8067999·Filed May 13, 2025

Owner Shaoqing Cai

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

KU-STRING (Serial No. 99181726), Registration No. 8067999, is a registered US trademark filed on May 13, 2025 by Shaoqing Cai. This trademark covers Class 028 (Games, toys & sporting goods).

early section 8: December 16, 2031

Mark Intelligence

KU-STRING (Reg. #8067999) is a registered US trademark that has been protecting its owner, Shaoqing Cai, since 2025. The mark covers Class 028 (Games, toys & sporting goods). Goods and services include Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.. The mark faced 1 opposition proceeding during prosecution.

FILED

May 13, 2025

SERIAL

99181726

REG#

8067999

REGISTERED

Dec 16, 2025

Filing Information

StatusREGISTERED

Filing DateMay 13, 2025

Serial Number99181726

Registration No.8067999

Registration DateDec 16, 2025

Status DateDec 16, 2025

Published for OppositionOct 28, 2025

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 028Games, toys & sporting goods

US codes: 022, 023, 038, 050

First use anywhere: May 07, 2025

First use in commerce: May 07, 2025

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

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

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Status History

14 events

REGISTERED-PRINCIPAL REGISTER

Dec 16, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 16, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Oct 28, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 28, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 22, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Sep 29, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Sep 29, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 29, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Sep 29, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 29, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 25, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 22, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 13, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

May 13, 2025

APPLICATION FILING RECEIPT MAILED

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