Who owns the GRUDYNE trademark?

The GRUDYNE trademark is owned by Guangzhou Ruifeng Instrument Equipment Co., Ltd..

What class is the GRUDYNE trademark registered in?

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

What is the serial number for GRUDYNE?

The USPTO serial number for GRUDYNE is 99716823.

What is the registration number for GRUDYNE?

GRUDYNE is registered under USPTO registration number 8500731.

GRU

USPTO Trademark Record

REGISTERED

GRUDYNE

SN 99716823·Reg 8500731·Filed Mar 21, 2026

Owner Guangzhou Ruifeng Instrument Equipment Co., Ltd.

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.

GRUDYNE (Serial No. 99716823), Registration No. 8500731, is a registered US trademark filed on Mar 21, 2026 by Guangzhou Ruifeng Instrument Equipment Co., Ltd.. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: October 13, 2032

Mark Intelligence

GRUDYNE (Reg. #8500731) is a registered US trademark that has been protecting its owner, Guangzhou Ruifeng Instrument Equipment Co., Ltd., 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 21, 2026

SERIAL

99716823

REG#

8500731

REGISTERED

Oct 13, 2026

Owner

Applicant

Guangzhou Ruifeng Instrument Equipment Co., Ltd.

Entity

Not Provided

Address

Building C, Room 405, Chuangzaozhe Park, No. 2 Ruitai Road, Huangpu District, Guangzhou, 510700

Country

Attorney

NameZixiu Wu

Law firm

Zixiu Wu The Law Firm of Summer Wu LLC

Docket

3868-182TM268

Address

402 King Farm Blvd., Suite 125, #1130, Rockville, MD 20850, United States

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Filing Information

StatusREGISTERED

Filing DateMar 21, 2026

Serial Number99716823

Registration No.8500731

Registration DateOct 13, 2026

Status DateOct 13, 2026

Published for OppositionAug 25, 2026

Mark TypeStandard characters

Attorney Docket3868-182TM268

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 03, 2026

First use in commerce: Feb 03, 2026

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

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Oct 13, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 13, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Aug 25, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 25, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 19, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jul 30, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 30, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 29, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 21, 2026

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 21, 2026

APPLICATION FILING RECEIPT MAILED

GRUDYNE

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