Who owns the COLORFUL BRAIN FRIENDS trademark?

The COLORFUL BRAIN FRIENDS trademark is owned by CHA, Ye Jin.

What is the serial number for COLORFUL BRAIN FRIENDS?

The USPTO serial number for COLORFUL BRAIN FRIENDS is 79436711.

What is the registration number for COLORFUL BRAIN FRIENDS?

COLORFUL BRAIN FRIENDS is registered under USPTO registration number 8508059.

COL

USPTO Trademark Record

REGISTERED

COLORFUL BRAIN FRIENDS

Q: What class is the COLORFUL BRAIN FRIENDS trademark registered in?

The COLORFUL BRAIN FRIENDS trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery), Class 028 (Games, toys & sporting goods).

SN 79436711·Reg 8508059·Filed Oct 16, 2025

Owner CHA, Ye Jin

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.; Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.; Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

COLORFUL BRAIN FRIENDS (Serial No. 79436711), Registration No. 8508059, is a registered US trademark filed on Oct 16, 2025 by CHA, Ye Jin. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery), Class 028 (Games, toys & sporting goods).

early section 8: October 20, 2032

Mark Intelligence

COLORFUL BRAIN FRIENDS (Reg. #8508059) is a registered US trademark that has been protecting its owner, CHA, Ye Jin, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery) and Class 028 (Games, toys & sporting goods) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 3 opposition proceedings during prosecution.

FILED

Oct 16, 2025

SERIAL

79436711

REG#

8508059

REGISTERED

Oct 20, 2026

Owner

Applicant

CHA, Ye Jin

Entity

Individual

Address

301ho, 101dong,, 15-20 Sinbanpo-ro 16-gil, Seocho-gu Seoul 06549

Country

Attorney

NameHoejae Ryu

Law firm

Hoejae Ryu NKL Law

Docket

TK5914633

Address

3251 Blenheim Blvd, Suite 500, Fairfax, VA 22030, United States

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Filing Information

StatusREGISTERED

Filing DateOct 16, 2025

Serial Number79436711

Registration No.8508059

Registration DateOct 20, 2026

Status DateOct 20, 2026

Published for OppositionSep 01, 2026

Mark TypeStandard characters

Attorney DocketTK5914633

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 3× 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

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

Class 028Games, toys & sporting goods

US codes: 022, 023, 038, 050

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.

Status History

20 events

REGISTERED-PRINCIPAL REGISTER

Oct 20, 2026

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 01, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 01, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Aug 27, 2026

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 26, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Aug 12, 2026

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Aug 12, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 03, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 02, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 02, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 02, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Apr 23, 2026

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Apr 08, 2026

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Apr 08, 2026

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 06, 2026

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Mar 05, 2026

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Mar 04, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 14, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 14, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Nov 13, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

COLORFUL BRAIN FRIENDS

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