Who owns the DIYFUN trademark?

The DIYFUN trademark is owned by Haokai Cai.

What class is the DIYFUN trademark registered in?

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

What is the serial number for DIYFUN?

The USPTO serial number for DIYFUN is 99422585.

What is the registration number for DIYFUN?

DIYFUN is registered under USPTO registration number 8222578.

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Updated Sep 26, 2026·39 searches this week

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DIY

USPTO Trademark Record

REGISTERED

DIYFUN

SN 99422585·Reg 8222578·Filed Oct 01, 2025

Owner Haokai Cai

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

DIYFUN (Serial No. 99422585), Registration No. 8222578, is a registered US trademark filed on Oct 01, 2025 by Haokai Cai. This trademark covers Class 028 (Games, toys & sporting goods).

early section 8: April 21, 2032

Conflict Analysis

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Mark Intelligence

DIYFUN (Reg. #8222578) is a registered US trademark that has been protecting its owner, Haokai 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

Oct 01, 2025

SERIAL

99422585

REG#

8222578

REGISTERED

Apr 21, 2026

Filing Information

StatusREGISTERED

Filing DateOct 01, 2025

Serial Number99422585

Registration No.8222578

Registration DateApr 21, 2026

Status DateApr 21, 2026

Published for OppositionMar 03, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled 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: Jul 15, 2025

First use in commerce: Jul 15, 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

16 events

REGISTERED-PRINCIPAL REGISTER

Apr 21, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 21, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 03, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 03, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 25, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 03, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 03, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 02, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 02, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Jan 27, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 27, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 27, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jan 22, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Oct 01, 2025

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 01, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 01, 2025

APPLICATION FILING RECEIPT MAILED

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