EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
02/12/2026
Back to search
Official data from USPTO
HOW STUFF WORKS
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
Active USPTO registrationType: WordOffice: United States
Quick snapshot
HOW STUFF WORKS
ST13
US500000078348428Class
16
Filing
78348428
Registration
2980912
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
53
Latest update
04/03/2026
Trademark type
Word
Nice classes
16
Filing date
01/06/2004
Registration date
08/02/2005
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
02/11/2026
Last transaction
04/03/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
06/01/2000
First use in commerce
09/01/2001
Drawing code
4
Owner type
16
Owner location
LOS ANGELES, CA, US
Examiner
SHEFFIELD, SHARI
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
SYSTEM1 OPCO, LLC
INFOSPACE HOLDINGS LLC
INFOSPACE LLC
HOWSTUFFWORKS, LLC
HOWSTUFFWORKS, INC.
HOWSTUFFWORKS.COM, INC.
Representatives
Alicia Matusheski Khaled Perkins Coie LLP
Technical classification
Nice Classes
Class 16
Vienna Codes
No Vienna codes available.
Goods and services
Class 16
booksbookletsperiodicalsnewsletterssyndicated newspaper columnsjournalsmagazinessyndicated sections of magazinesbrochures and pamphlets in the fields of healthscienceelectronicscommunicationsbusinesssociologytraveltechnology
Publications
History of USPTO decisions and trademark events.
53 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/12/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/12/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/12/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/12/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/12/2026
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
02/11/2026
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
02/11/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/11/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/08/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
08/26/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/30/2024
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
08/02/2024
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
01/04/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/04/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/04/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/04/2024
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/23/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/02/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/06/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/20/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/17/2018
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/06/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/30/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/16/2016
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
08/17/2016
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/28/2015
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
08/28/2015
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/28/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/28/2015
E89R
TEAS SECTION 8 & 9 RECEIVED
08/03/2015
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/16/2014
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/10/2014
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/10/2014
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/05/2014
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/18/2012
NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
03/16/2012
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
03/16/2012
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/16/2012
E815
TEAS SECTION 8 & 15 RECEIVED
02/02/2012
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/12/2008
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/12/2008
R.PR
REGISTERED-PRINCIPAL REGISTER
08/02/2005
PUBO
PUBLISHED FOR OPPOSITION
05/10/2005
NPUB
NOTICE OF PUBLICATION
04/20/2005
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
08/13/2004
ALIE
ASSIGNED TO LIE
08/12/2004
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/01/2004
XAEC
EXAMINER'S AMENDMENT ENTERED
07/29/2004
GNEA
EXAMINERS AMENDMENT E-MAILED
07/27/2004
GNRT
NON-FINAL ACTION E-MAILED
07/25/2004
DOCK
ASSIGNED TO EXAMINER
07/21/2004
NWAP
NEW APPLICATION ENTERED
01/12/2004
Continuous trademark protection
Get notified about every new filing that threatens HOW STUFF WORKS or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.