Who owns the HOW STUFF WORKS trademark?

The HOW STUFF WORKS trademark is owned by SYSTEM1 OPCO, LLC.

What class is the HOW STUFF WORKS trademark registered in?

The HOW STUFF WORKS trademark is registered in Class 016 (Paper goods, books & stationery).

What is the serial number for HOW STUFF WORKS?

The USPTO serial number for HOW STUFF WORKS is 78348428.

What is the registration number for HOW STUFF WORKS?

HOW STUFF WORKS is registered under USPTO registration number 2980912.

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USPTO Trademark Record

REGISTERED

HOW STUFF WORKS

SN 78348428·Reg 2980912·Filed Jan 06, 2004

Owner SYSTEM1 OPCO, LLC

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

HOW STUFF WORKS (Serial No. 78348428), Registration No. 2980912, is a registered US trademark filed on Jan 06, 2004 by SYSTEM1 OPCO, LLC. This trademark covers Class 016 (Paper goods, books & stationery).

Section 8/9 declaration window: August 02, 2035

Conflict Analysis

Full conflict analysis for HOW STUFF WORKS (SN 78348428) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HOW STUFF WORKS (Reg. #2980912) is a registered US trademark that has been protecting its owner, SYSTEM1 OPCO, LLC, since 2004. The mark covers Class 016 (Paper goods, books & stationery). Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 06, 2004

SERIAL

78348428

REG#

2980912

REGISTERED

Aug 02, 2005

Filing Information

StatusREGISTERED

Filing DateJan 06, 2004

Serial Number78348428

Registration No.2980912

Registration DateAug 02, 2005

Status DateFeb 11, 2026

Published for OppositionMay 10, 2005

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

First use anywhere: Jun 01, 2000

First use in commerce: Sep 01, 2001

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

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Status History

53 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 12, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 12, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Feb 12, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 12, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 12, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Feb 12, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Feb 11, 2026

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Feb 11, 2026

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Feb 11, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 08, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Aug 26, 2025

TEAS SECTION 8 & 9 RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Oct 30, 2024

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Aug 02, 2024

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

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

Jan 04, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 04, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 04, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jan 04, 2024

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 23, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 02, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 06, 2019

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 20, 2019

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Oct 17, 2018

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Dec 06, 2017

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Aug 30, 2017

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Nov 16, 2016

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Aug 17, 2016

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 28, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Aug 28, 2015

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Aug 28, 2015

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Aug 28, 2015

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

TEAS SECTION 8 & 9 RECEIVED

Aug 03, 2015

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 16, 2014

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Jul 10, 2014

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 10, 2014

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 05, 2014

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 18, 2012

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 16, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 16, 2012

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

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

Mar 16, 2012

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

TEAS SECTION 8 & 15 RECEIVED

Feb 02, 2012

TEAS SECTION 8 & 15 RECEIVED

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

Feb 12, 2008

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 12, 2008

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Aug 02, 2005

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 10, 2005

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Apr 20, 2005

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Aug 13, 2004

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Aug 12, 2004

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 01, 2004

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINER'S AMENDMENT ENTERED

Jul 29, 2004

EXAMINER'S AMENDMENT ENTERED

EXAMINERS AMENDMENT E-MAILED

Jul 27, 2004

EXAMINERS AMENDMENT E-MAILED

NON-FINAL ACTION E-MAILED

Jul 25, 2004

NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jul 21, 2004

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Jan 12, 2004

NEW APPLICATION ENTERED

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