Who owns the FLEX KNEE trademark?

The FLEX KNEE trademark is owned by Carhartt, Inc..

What class is the FLEX KNEE trademark registered in?

The FLEX KNEE trademark is registered in Class 025 (Clothing, footwear & headgear).

What is the serial number for FLEX KNEE?

The USPTO serial number for FLEX KNEE is 87026111.

What is the registration number for FLEX KNEE?

FLEX KNEE is registered under USPTO registration number 5189371.

Sealvo

Home Search: FLEX KNEEFLEX KNEE #87026111

Back

Updated Sep 18, 2026·12 searches this week

View on USPTO TSDR Find similar marks

FLE

USPTO Trademark Record

REGISTERED

FLEX KNEE

SN 87026111·Reg 5189371·Filed May 05, 2016

Owner Carhartt, Inc.

Clothing, footwear, headwear.

FLEX KNEE (Serial No. 87026111), Registration No. 5189371, is a registered US trademark filed on May 05, 2016 by Carhartt, Inc.. This trademark covers Class 025 (Clothing, footwear & headgear).

renewal 10y period: April 26, 2027220 days remaining

Conflict Analysis

Full conflict analysis for FLEX KNEE (SN 87026111) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

FLEX KNEE (Reg. #5189371) is a registered US trademark that has been protecting its owner, Carhartt, Inc., since 2016. The mark covers Class 025 (Clothing, footwear & headgear). Goods and services include Clothing, footwear, headwear.. The mark faced 1 opposition proceeding during prosecution.

FILED

May 05, 2016

SERIAL

87026111

REG#

5189371

REGISTERED

Apr 25, 2017

Filing Information

StatusREGISTERED

Filing DateMay 05, 2016

Serial Number87026111

Registration No.5189371

Registration DateApr 25, 2017

Status DateOct 21, 2023

Published for OppositionFeb 07, 2017

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Aug 01, 2015

First use in commerce: Aug 01, 2015

Clothing, footwear, headwear.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

26 events

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

Apr 25, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 21, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Oct 21, 2023

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

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

Oct 21, 2023

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

TEAS SECTION 8 & 15 RECEIVED

Apr 24, 2023

TEAS SECTION 8 & 15 RECEIVED

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

Apr 25, 2022

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

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

Nov 09, 2018

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 09, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Apr 25, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 07, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 07, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 18, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Dec 27, 2016

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Dec 27, 2016

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 27, 2016

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 27, 2016

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 27, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 22, 2016

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 22, 2016

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 22, 2016

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jul 01, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 01, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 01, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 28, 2016

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 10, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 09, 2016

NEW APPLICATION ENTERED

Other Marks by Carhartt, Inc.

Additional USPTO filings from the same owner.

MOV

MOVE LIKE YOU MEAN IT

86685497

Carhartt, Inc.

REGISTERED

DUR

DURABILITY IS IN OUR DNA

99493065

Carhartt, Inc.

REGISTERED

WIN

WIND FIGHTER

86457844

Carhartt, Inc.

REGISTERED

FUL

FULL SWING

86341737

Carhartt, Inc.

REGISTERED

Other Marks in Class 025 — Clothing, footwear & headgear

Recently filed and registered marks in the same international class.

DRK

DR. KNEE

97763717

Rossi Vession Corporation

REGISTERED

KNE

KNEE-NECKS

75475331

Phillips, Anthony G.

REGISTERED

FLE

FLEX

99217631

Mark Nalley

REGISTERED

FLE

FLEX.

98189815

Neal, Rodrigus J

REGISTERED

Other Marks by Jenny T. Slocum

Additional USPTO filings handled by the same attorney of record.

98544369

REGISTERED

BEA

BEAR HUG

99217402

REGISTERED

MOO

MOODBIBLE

99035089

REGISTERED

UNI

UNITED STATES TEAM ROPING CHAMPIONSHIPS

86703862

REGISTERED

FLEX KNEE

Run a conflict check

Other Marks by Carhartt, Inc.

Other Marks in Class 025 — Clothing, footwear & headgear

Other Marks by Jenny T. Slocum

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company