Who owns the WIKIPEDIA trademark?

The WIKIPEDIA trademark is owned by Wikimedia Foundation, Inc..

What class is the WIKIPEDIA trademark registered in?

The WIKIPEDIA trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for WIKIPEDIA?

The USPTO serial number for WIKIPEDIA is 78483359.

What is the registration number for WIKIPEDIA?

WIKIPEDIA is registered under USPTO registration number 3040722.

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Home Search: WIKIPEDIAWIKIPEDIA #78483359

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WIK

USPTO Trademark Record

REGISTERED

WIKIPEDIA

SN 78483359·Reg 3040722·Filed Sep 14, 2004

Owner Wikimedia Foundation, Inc.

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

WIKIPEDIA (Serial No. 78483359), Registration No. 3040722, is a registered US trademark filed on Sep 14, 2004 by Wikimedia Foundation, Inc.. This trademark covers Class 041 (Education & entertainment services).

Section 8/9 declaration window: January 10, 2036

Conflict Analysis

Full conflict analysis for WIKIPEDIA (SN 78483359) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

WIKIPEDIA (Reg. #3040722) is a registered US trademark that has been protecting its owner, Wikimedia Foundation, Inc., since 2004. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 14, 2004

SERIAL

78483359

REG#

3040722

REGISTERED

Jan 10, 2006

Filing Information

StatusREGISTERED

Filing DateSep 14, 2004

Serial Number78483359

Registration No.3040722

Registration DateJan 10, 2006

Status DateJan 22, 2026

Published for OppositionOct 18, 2005

Filing Basis & Declarations

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

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

0839132

480Dec 16, 2004

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Jan 11, 2001

First use in commerce: Jan 13, 2001

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

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

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Status History

45 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 22, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jan 22, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jan 22, 2026

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jan 22, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Oct 16, 2025

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 29, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 29, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

May 29, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 29, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 29, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jan 10, 2025

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Dec 18, 2017

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Dec 18, 2017

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 22, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Feb 22, 2016

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Feb 22, 2016

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Feb 22, 2016

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Dec 08, 2015

TEAS SECTION 8 & 9 RECEIVED

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

Dec 12, 2013

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 12, 2013

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 10, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Feb 10, 2012

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

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

Feb 10, 2012

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

TEAS SECTION 8 & 15 RECEIVED

Dec 28, 2011

TEAS SECTION 8 & 15 RECEIVED

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

Sep 29, 2011

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 29, 2011

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Apr 08, 2010

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Apr 08, 2010

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Apr 01, 2009

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 01, 2009

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Aug 20, 2008

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 20, 2008

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Jan 10, 2006

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 18, 2005

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Sep 28, 2005

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jul 02, 2005

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 23, 2005

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO LIE

Jun 22, 2005

ASSIGNED TO LIE

AMENDMENT FROM APPLICANT ENTERED

Jun 22, 2005

AMENDMENT FROM APPLICANT ENTERED

FAX RECEIVED

Jun 09, 2005

FAX RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 09, 2005

CORRESPONDENCE RECEIVED IN LAW OFFICE

PRIORITY ACTION MAILED

Apr 26, 2005

PRIORITY ACTION MAILED

PRIORITY ACTION WRITTEN

Apr 25, 2005

PRIORITY ACTION WRITTEN

ASSIGNED TO EXAMINER

Apr 13, 2005

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Sep 21, 2004

NEW APPLICATION ENTERED

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