Who owns the DIFFMIND trademark?

The DIFFMIND trademark is owned by Hong Kong DiffMind Technology Co., Limited.

What class is the DIFFMIND trademark registered in?

The DIFFMIND trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for DIFFMIND?

The USPTO serial number for DIFFMIND is 99732221.

What is the registration number for DIFFMIND?

DIFFMIND is registered under USPTO registration number 8521771.

DIF

USPTO Trademark Record

REGISTERED

DIFFMIND

SN 99732221·Reg 8521771·Filed Mar 30, 2026

Owner Hong Kong DiffMind Technology Co., Limited

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.

DIFFMIND (Serial No. 99732221), Registration No. 8521771, is a registered US trademark filed on Mar 30, 2026 by Hong Kong DiffMind Technology Co., Limited. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: October 27, 2032

Mark Intelligence

DIFFMIND (Reg. #8521771) is a registered US trademark that has been protecting its owner, Hong Kong DiffMind Technology Co., Limited, since 2026. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 30, 2026

SERIAL

99732221

REG#

8521771

REGISTERED

Oct 27, 2026

Owner

Applicant

Hong Kong DiffMind Technology Co., Limited

Entity

Not Provided

Address

Unit 903D, 9/F,Cameron Commercial Centre, 458-468 Hennessy Road, Causeway Bay, Hong Kong, 999077

Country

Attorney

NameNANCY ERIDANE LEON

Law firm

NANCY ERIDANE LEON CROSS BORDER LEGALIS LLP

Docket

SYN260210000054

Address

1725 I Street NW, Suite 300, Washington, DC 20006, United States

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Filing Information

StatusREGISTERED

Filing DateMar 30, 2026

Serial Number99732221

Registration No.8521771

Registration DateOct 27, 2026

Status DateOct 27, 2026

Published for OppositionSep 08, 2026

Mark TypeStandard characters

Attorney DocketSYN260210000054

Status DescriptionLive and registered

Filing Signals

FILED

2026

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× 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

First use anywhere: Feb 04, 2026

First use in commerce: Feb 04, 2026

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

Status History

9 events

REGISTERED-PRINCIPAL REGISTER

Oct 27, 2026

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 08, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 08, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 02, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 14, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Aug 09, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 29, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 30, 2026

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 30, 2026

APPLICATION FILING RECEIPT MAILED

DIFFMIND

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