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Official data from USPTO

QDST

Did you know this trademark is already registered in United States?

Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.

Active USPTO registrationType: CombinedOffice: US

Quick snapshot

QDST

ST13

US500000079221284

Class

9, 10

Filing

79221284

Registration

5592456

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

Attention: there is active risk

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

35

Latest update

01/17/2026

Classification

Registered

Trademark type

Combined

Nice classes

9, 10

Filing date

07/27/2017

Registration date

10/30/2018

Expiration date

-

Recommended action

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Next step

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Complete case details

Structured fields from the responsible authority and the official record.

Status date

05/16/2025

Last transaction

01/17/2026

Responsible office

United States Patent and Trademark Office

Status code

709

Official register

Principal Register

Drawing code

5

Owner type

03

Owner location

Jongno-gu Seoul 03082, KR

Examiner

AVENT,TEAGUE A

Law office

N80

Current location

TMO LAW OFFICE 126

Holders and representatives

Holders

QuantaMatrix Inc.

Representatives

Minchul Yang STIP LAW GROUP LLC

Technical classification

Nice Classes

Class 9Class 10

Vienna Codes

No Vienna codes available.

Goods and services

Class 9

Diagnostic apparatus for testing antimicrobial susceptibilitynot for medical purposes; sensors measurement apparatussensors for measuring concentrations of chemicals in water; biochips for research or scientific purposes; biochip analyzing apparatus; diagnostic biochips for analyzing blood plasma being a laboratory apparatus for scientific or research purposes; research laboratory analyzers for measuringtesting and analyzing blood and other bodily fluids ; computer software for scientific analysis of genetic sequences; computer software for diagnosing diseases for medical purposes

Class 10

Fully automatic equipment for tuberculosis diagnosis; diagnostic apparatus for measuring cancer diagnostics; test equipment for medical useelectrodiagnostic automated constant current sinusoid waveform neuroselective sensory nerve testing devicesdisposable electrodes; measuring instruments for medical purposes to measure blood pressurecardiac outputother physiological and cardiovascular parameters; diagnostic apparatus for medical purposes for detecting infectious disease; blood analysis apparatus for diagnostic; body fluid analysis apparatus; in vitro diagnostic devices for medical purposes for detecting infectious disease; blood testing apparatus; blood analysis equipment; apparatus for blood analysis; apparatus for taking blood samples; apparatus for taking blood; blood cell analysis apparatus; medical apparatus and instruments for displaying diagnostic information for antimicrobial susceptibility test ; medical imaging apparatus; nuclear medicine diagnostic imaging apparatus for medical purposes; testing apparatus for detecting infectious disease for medical purposes; diagnostic biochips for medical purposes

Publications

History of USPTO decisions and trademark events.

35 publications found

INTR

TOTAL INVALIDATION OF REG EXT PROTECTION CREATED

01/16/2026

C71T

CANCELLED SECTION 71

05/16/2025

REM3

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

10/30/2023

INNA

INVALIDATION REVIEWED - NO ACTION REQUIRED BY OFFICE

10/22/2019

INPR

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

10/07/2019

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

09/03/2019

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

04/11/2019

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

04/11/2019

FINO

FINAL DECISION TRANSACTION PROCESSED BY IB

03/01/2019

FICS

FINAL DISPOSITION NOTICE SENT TO IB

02/08/2019

FIMP

FINAL DISPOSITION PROCESSED

02/08/2019

LIME

LIMITATION FROM THE IB EXAMINED AND ENTERED

02/07/2019

COC.

CORRECTION UNDER SECTION 7 - PROCESSED

02/07/2019

FICR

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

01/30/2019

LIMG

LIMITATION OF GOODS RECEIVED FROM IB

12/28/2018

R.PR

REGISTERED-PRINCIPAL REGISTER

10/30/2018

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

08/14/2018

PUBO

PUBLISHED FOR OPPOSITION

08/14/2018

GPNX

NOTIFICATION PROCESSED BY IB

08/11/2018

OPNS

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

07/25/2018

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

07/25/2018

OP2R

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

07/25/2018

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

06/29/2018

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

06/01/2018

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

06/01/2018

TROA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

06/01/2018

RFNP

REFUSAL PROCESSED BY IB

01/11/2018

RFCS

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

12/14/2017

RFRR

REFUSAL PROCESSED BY MPU

12/14/2017

RFCR

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

12/06/2017

CNRT

NON-FINAL ACTION WRITTEN

12/05/2017

MAFR

APPLICATION FILING RECEIPT MAILED

12/02/2017

DOCK

ASSIGNED TO EXAMINER

11/28/2017

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

11/28/2017

REPR

SN ASSIGNED FOR SECT 66A APPL FROM IB

11/23/2017

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