Who owns the DUO-FLEX trademark?

The DUO-FLEX trademark is owned by JULIUS-K9 Zrt..

What class is the DUO-FLEX trademark registered in?

The DUO-FLEX trademark is registered in Class 018 (Leather goods, bags & accessories).

What is the serial number for DUO-FLEX?

The USPTO serial number for DUO-FLEX is 79234801.

What is the registration number for DUO-FLEX?

DUO-FLEX is registered under USPTO registration number 5646014.

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Home Search: DUO-FLEXDUO-FLEX #79234801

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Updated Sep 16, 2026·25 searches this week

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DUO

USPTO Trademark Record

REGISTERED

DUO-FLEX

SN 79234801·Reg 5646014·Filed May 24, 2018

Owner JULIUS-K9 Zrt.

Leather and imitations of leather; animal skins and hides; luggage and carrying bags; umbrellas and parasols; walking sticks; whips, harness and saddlery; collars, leashes and clothing for animals.

DUO-FLEX (Serial No. 79234801), Registration No. 5646014, is a registered US trademark filed on May 24, 2018 by JULIUS-K9 Zrt.. This trademark covers Class 018 (Leather goods, bags & accessories).

Section 8/9 declaration window: January 08, 2029

Conflict Analysis

Full conflict analysis for DUO-FLEX (SN 79234801) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

DUO-FLEX (Reg. #5646014) is a registered US trademark that has been protecting its owner, JULIUS-K9 Zrt., since 2018. The mark covers Class 018 (Leather goods, bags & accessories). Goods and services include Leather and imitations of leather; animal skins and hides; luggage and carrying bags; umbrellas and parasols; walking st.... The mark faced 3 opposition proceedings during prosecution.

FILED

May 24, 2018

SERIAL

79234801

REG#

5646014

REGISTERED

Jan 08, 2019

Filing Information

StatusREGISTERED

Filing DateMay 24, 2018

Serial Number79234801

Registration No.5646014

Registration DateJan 08, 2019

Status DateApr 16, 2025

Published for OppositionOct 23, 2018

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 018Leather goods, bags & accessories

US codes: 001, 002, 003, 022, 041

Leather and imitations of leather; animal skins and hides; luggage and carrying bags; umbrellas and parasols; walking sticks; whips, harness and saddlery; collars, leashes and clothing for animals.

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

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Status History

26 events

PARTIAL INVALIDATION PROCESSED BY THE IB

Aug 06, 2026

PARTIAL INVALIDATION PROCESSED BY THE IB

INVALIDATION PROCESSED

Jul 09, 2026

INVALIDATION PROCESSED

PARTIAL INVALIDATION OF REG EXT PROTECTION SENT TO IB

Jul 09, 2026

PARTIAL INVALIDATION OF REG EXT PROTECTION SENT TO IB

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

Dec 16, 2025

PARTIAL INVALIDATION OF REG EXT PROTECTION CREATED

REGISTERED-SEC.71 ACCEPTED

Apr 16, 2025

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Apr 16, 2025

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 14, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 71 RECEIVED

Nov 25, 2024

TEAS SECTION 71 RECEIVED

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

Jan 08, 2024

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

NOTIFICATION PROCESSED BY IB

Mar 08, 2019

NOTIFICATION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Feb 16, 2019

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Feb 16, 2019

FINAL DISPOSITION NOTICE SENT TO IB

GRANT OF PROTECTION CREATED, TO BE SENT TO IB

Feb 07, 2019

GRANT OF PROTECTION CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Jan 08, 2019

REGISTERED-PRINCIPAL REGISTER

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

Nov 15, 2018

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 15, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

PUBLISHED FOR OPPOSITION

Oct 23, 2018

PUBLISHED FOR OPPOSITION

NOTIFICATION PROCESSED BY IB

Oct 19, 2018

NOTIFICATION PROCESSED BY IB

NOTICE OF PUBLICATION

Oct 03, 2018

NOTICE OF PUBLICATION

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

Oct 03, 2018

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

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Oct 03, 2018

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 19, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 14, 2018

ASSIGNED TO EXAMINER

APPLICATION FILING RECEIPT MAILED

Jun 26, 2018

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 22, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jun 21, 2018

SN ASSIGNED FOR SECT 66A APPL FROM IB

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