Who owns the DIMDU trademark?

The DIMDU trademark is owned by Shenzhen Smart Education Technology Ltd..

What class is the DIMDU trademark registered in?

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

What is the serial number for DIMDU?

The USPTO serial number for DIMDU is 88004695.

What is the registration number for DIMDU?

DIMDU is registered under USPTO registration number 5669885.

DIM

DIMDU

REGISTERED

Serial: 88004695
Reg: 5669885
Filed: Jun 18, 2018
Owner: Shenzhen Smart Education Technology 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.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: May 26, 2018

First use in commerce: May 26, 2018

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

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Status History

14 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 06, 2025

Code APRE

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Aug 06, 2025

Code 8.OK

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Aug 06, 2025

Code NAS8

TEAS SECTION 8 RECEIVED

Apr 22, 2025

Code ES8R

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Feb 05, 2024

Code REM1

REGISTERED-PRINCIPAL REGISTER

Feb 05, 2019

Code R.PR

PUBLISHED FOR OPPOSITION

Nov 20, 2018

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 20, 2018

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 31, 2018

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 09, 2018

Code CNSA

ASSIGNED TO EXAMINER

Oct 04, 2018

Code DOCK

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 23, 2018

Code MDSC

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 22, 2018

Code NWOS

NEW APPLICATION ENTERED

Jun 21, 2018

Code NWAP

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DIMDU

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Full Goods & Services

Filing Basis & Declarations

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