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Official data from USPTO

STR

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

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Active USPTO registrationType: CombinedOffice: United States

Quick snapshot

STR

ST13

US500000088465362

Class

9

Filing

88465362

Registration

6291881

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

22

Latest update

03/17/2026

Trademark type

Combined

Nice classes

9

Filing date

06/09/2019

Registration date

03/16/2021

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

03/16/2021

Last transaction

03/17/2026

Responsible office

United States Patent and Trademark Office

Status code

700

Official register

Principal Register

First use anywhere

03/12/2019

First use in commerce

03/12/2019

Drawing code

3

Owner type

03

Owner location

Chapel Hill, NC, US

Examiner

EULIN, INGRID C

Law office

M20

Current location

PUBLICATION AND ISSUE SECTION

Mark description

The mark consists of the letters "S T R" in stylized format with a circle around the "T".

Holders and representatives

Holders

Redbud Labs, Inc.

Representatives

Eva Gullick Frongello SMITH ANDERSON BLOUNT DORSETT MITCHELL &

Technical classification

Nice Classes

Class 9

Vienna Codes

No Vienna codes available.

Goods and services

Class 9

Microfluidic chips consisting of sensor chipsprotein chipssoft lithography chipsmicro-molded chipsMEMs for use in microfluidic devices for laboratory or research use in the life science field

Publications

History of USPTO decisions and trademark events.

22 publications found

REM1

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

03/16/2026

R.PR

REGISTERED-PRINCIPAL REGISTER

03/16/2021

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

12/29/2020

PUBO

PUBLISHED FOR OPPOSITION

12/29/2020

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

12/09/2020

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

11/20/2020

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

11/19/2020

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

11/19/2020

ERFR

TEAS REQUEST FOR RECONSIDERATION RECEIVED

11/19/2020

GNFN

NOTIFICATION OF FINAL REFUSAL EMAILED

06/08/2020

GNFR

FINAL REFUSAL E-MAILED

06/08/2020

CNFR

FINAL REFUSAL WRITTEN

06/08/2020

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

03/02/2020

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

03/02/2020

TROA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

03/02/2020

GNRN

NOTIFICATION OF NON-FINAL ACTION E-MAILED

08/29/2019

GNRT

NON-FINAL ACTION E-MAILED

08/29/2019

CNRT

NON-FINAL ACTION WRITTEN

08/29/2019

DOCK

ASSIGNED TO EXAMINER

08/29/2019

MDSC

NOTICE OF DESIGN SEARCH CODE E-MAILED

06/22/2019

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

06/21/2019

NWAP

NEW APPLICATION ENTERED

06/12/2019

Continuous trademark protection

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