Who owns the DUO trademark?

The DUO trademark is owned by SECURA BIO, INC..

What class is the DUO trademark registered in?

The DUO trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for DUO?

The USPTO serial number for DUO is 86031687.

What is the registration number for DUO?

DUO is registered under USPTO registration number 4983580.

Sealvo

Home Search: DUODUO #86031687

Back

Updated Nov 4, 2026·19 searches this week

View on USPTO TSDR Find similar marks

Section 8 & 9 grace period ends

December 21, 2026

46 days remaining

DUO

REGISTERED

Serial: 86031687
Reg: 4983580
Filed: Aug 07, 2013
Owner: SECURA BIO, INC.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Nov 30, 2013

First use in commerce: Nov 30, 2013

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

Status History

59 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 28, 2026

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 28, 2026

Code CHAN

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

Aug 28, 2026

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 28, 2026

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 28, 2026

Code TCCA

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Jun 21, 2025

Code REM2

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 13, 2023

Code APRE

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jun 13, 2023

Code C15A

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jun 13, 2023

Code NA85

TEAS SECTION 8 & 15 RECEIVED

Dec 12, 2022

Code E815

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

Jun 21, 2021

Code REM1

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 17, 2021

Code ASGN

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 12, 2021

Code COAR

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

Mar 12, 2021

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 12, 2021

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 12, 2021

Code TCCA

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 12, 2021

Code CHAN

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

Sep 20, 2019

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 20, 2019

Code ARAA

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Aug 28, 2019

Code ASGN

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

Jan 31, 2017

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 31, 2017

Code ARAA

REGISTERED-PRINCIPAL REGISTER

Jun 21, 2016

Code R.PR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 17, 2016

Code SUNA

STATEMENT OF USE PROCESSING COMPLETE

May 16, 2016

Code SUPC

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 16, 2016

Code CNPR

TEAS STATEMENT OF USE RECEIVED

Apr 26, 2016

Code EISU

USE AMENDMENT FILED

Apr 26, 2016

Code IUAF

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Apr 09, 2016

Code EXRA

SOU EXTENSION 3 GRANTED

Apr 08, 2016

Code EX3G

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 03, 2016

Code AITU

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 02, 2016

Code TCCA

SOU TEAS EXTENSION RECEIVED

Mar 02, 2016

Code EEXT

SOU EXTENSION 3 FILED

Mar 02, 2016

Code EXT3

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 15, 2015

Code EXRA

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Sep 14, 2015

Code AITU

SOU EXTENSION 2 GRANTED

Sep 14, 2015

Code EX2G

SOU TEAS EXTENSION RECEIVED

Sep 02, 2015

Code EEXT

SOU EXTENSION 2 FILED

Sep 02, 2015

Code EXT2

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 04, 2015

Code EXRA

SOU TEAS EXTENSION RECEIVED

Mar 02, 2015

Code EEXT

SOU EXTENSION 1 FILED

Mar 02, 2015

Code EXT1

SOU EXTENSION 1 GRANTED

Mar 02, 2015

Code EX1G

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Sep 02, 2014

Code NOAM

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 08, 2014

Code NPUB

PUBLISHED FOR OPPOSITION

Jul 08, 2014

Code PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 18, 2014

Code NONP

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jun 03, 2014

Code PREV

ASSIGNED TO LIE

May 29, 2014

Code ALIE

APPROVED FOR PUB - PRINCIPAL REGISTER

May 15, 2014

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 14, 2014

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 14, 2014

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

May 14, 2014

Code TEME

NON-FINAL ACTION WRITTEN

Nov 22, 2013

Code CNRT

NON-FINAL ACTION E-MAILED

Nov 22, 2013

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 22, 2013

Code GNRN

ASSIGNED TO EXAMINER

Nov 20, 2013

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 15, 2013

Code NWOS

NEW APPLICATION ENTERED

Aug 10, 2013

Code NWAP

DUO

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by SECURA BIO, INC.

Other Marks in Class 042 — Scientific, technology & SaaS services

Other Marks by Susan Piascik Christoff

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company