Who owns the ERROR REDUCTION THAT WORKS trademark?

The ERROR REDUCTION THAT WORKS trademark is owned by KNOWLEDGE VINE, LLC.

What class is the ERROR REDUCTION THAT WORKS trademark registered in?

The ERROR REDUCTION THAT WORKS trademark is registered in Class 041 (Education & entertainment services), Class 045 (Legal, security & personal social services).

What is the serial number for ERROR REDUCTION THAT WORKS?

The USPTO serial number for ERROR REDUCTION THAT WORKS is 90725005.

What is the registration number for ERROR REDUCTION THAT WORKS?

ERROR REDUCTION THAT WORKS is registered under USPTO registration number 6743829.

ERR

USPTO Trademark Record

REGISTERED

ERROR REDUCTION THAT WORKS

SN 90725005·Reg 6743829·Filed May 20, 2021

Owner KNOWLEDGE VINE, LLC

Education; providing of training; entertainment; sporting and cultural activities.; Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

ERROR REDUCTION THAT WORKS (Serial No. 90725005), Registration No. 6743829, is a registered US trademark filed on May 20, 2021 by KNOWLEDGE VINE, LLC. This trademark covers Class 041 (Education & entertainment services), Class 045 (Legal, security & personal social services).

early section 8: May 31, 2028

Mark Intelligence

ERROR REDUCTION THAT WORKS (Reg. #6743829) is a registered US trademark that has been protecting its owner, KNOWLEDGE VINE, LLC, since 2021. The mark covers Class 041 (Education & entertainment services) and Class 045 (Legal, security & personal social services) respectively. Goods and services include Education; providing of training; entertainment; sporting and cultural activities.; Legal services; security services fo.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 20, 2021

SERIAL

90725005

REG#

6743829

REGISTERED

May 31, 2022

Owner

Applicant

KNOWLEDGE VINE, LLC

Entity

LLC

State

Address

18100 VON KARMAN AVENUE, 10TH FLOOR, IRVINE, CA, 92612

Country

Attorney

NameEmily R. Billig

Law firm

Emily R. Billig Baker, Donelson, Bearman, Caldwell & Berkowitz, PC

Address

100 Light Street, 19th Floor, Baltimore, MD 21202, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateMay 20, 2021

Serial Number90725005

Registration No.6743829

Registration DateMay 31, 2022

Status DateMay 31, 2022

Published for OppositionMar 15, 2022

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2021

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

Search 15M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Dec 31, 2018

First use in commerce: Dec 31, 2018

Education; providing of training; entertainment; sporting and cultural activities.

Class 045Legal, security & personal social services

US codes: 100, 101

First use anywhere: Dec 31, 2018

First use in commerce: Dec 31, 2018

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

Status History

35 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 30, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 30, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jun 30, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 30, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 30, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Aug 23, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 21, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 21, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 21, 2023

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 21, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 21, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 19, 2023

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Jul 25, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 25, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 25, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

May 31, 2022

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 31, 2022

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 15, 2022

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 15, 2022

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

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

Mar 03, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 03, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Mar 03, 2022

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 03, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 23, 2022

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Feb 09, 2022

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 08, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 03, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION E-MAILED

Feb 03, 2022

NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Feb 03, 2022

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Jan 31, 2022

ASSIGNED TO EXAMINER

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

Aug 30, 2021

PRELIMINARY/VOLUNTARY AMENDMENT - ENTERED

ASSIGNED TO LIE

Aug 26, 2021

ASSIGNED TO LIE

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 18, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

TEAS VOLUNTARY AMENDMENT RECEIVED

May 26, 2021

TEAS VOLUNTARY AMENDMENT RECEIVED

NEW APPLICATION ENTERED

May 24, 2021

NEW APPLICATION ENTERED

ERROR REDUCTION THAT WORKS

Get pre-filing clearance

Search 15M+ trademarks

Run a conflict check

Other Marks by KNOWLEDGE VINE, LLC

Other Marks in Class 041 — Education & entertainment services

Other Marks by Emily R. Billig

Resources

Company