TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/18/2026
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Official data from USPTO
KNOCK KNOCK
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
73
Latest update
06/23/2026
Trademark type
Word
Nice classes
16
Filing date
09/05/2002
Registration date
11/02/2004
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/29/2024
Last transaction
06/23/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
06/01/2002
First use in commerce
06/01/2002
Drawing code
1
Owner type
03
Owner location
NEW YORK, NY, US
Examiner
STINE, DAVID
Law office
M50
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
HACHETTE BOOK GROUP, INC.
KNOCK KNOCK, LLC
Who's There, Inc.
Representatives
Erin Hennessy AKERMAN LLP
Technical classification
Nice Classes
Class 16
Vienna Codes
No Vienna codes available.
Goods and services
Class 16
Publications and printed matter; namelystationery; greeting cards; note cards; blank cards; wrapping paper; catalogs featuring stationerycardsgifts and collectibles; rubber stampsrubber stamp kits comprised of stamp padsstamp pad inks and rubber stamps; posters; bookspamphlets and magazines in the field of gifts and collectibles
Publications
History of USPTO decisions and trademark events.
73 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/18/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/18/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/18/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/18/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/07/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/07/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/07/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/03/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/03/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/03/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/03/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/03/2025
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/29/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/23/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/23/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/23/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
01/23/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
01/23/2025
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/29/2024
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
03/29/2024
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/29/2024
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/29/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/15/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/15/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/15/2024
E89R
TEAS SECTION 8 & 9 RECEIVED
11/06/2023
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
11/02/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/23/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/23/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/23/2022
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/23/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/23/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/23/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/23/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/23/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/27/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/27/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/05/2018
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/05/2018
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/03/2016
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/04/2015
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - MAILED
11/17/2014
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
11/17/2014
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
11/17/2014
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
11/17/2014
E89R
TEAS SECTION 8 & 9 RECEIVED
10/31/2014
NOSU
NOTICE OF SUIT
01/09/2014
NOSU
NOTICE OF SUIT
11/21/2013
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/04/2012
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/04/2012
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
12/18/2009
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
12/17/2009
E815
TEAS SECTION 8 & 15 RECEIVED
12/08/2009
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/18/2005
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/24/2005
R.PR
REGISTERED-PRINCIPAL REGISTER
11/02/2004
REGV
LAW OFFICE REGISTRATION REVIEW COMPLETED
09/12/2004
ALIE
ASSIGNED TO LIE
08/20/2004
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
08/17/2004
DOCK
ASSIGNED TO EXAMINER
08/13/2004
SUPC
STATEMENT OF USE PROCESSING COMPLETE
08/11/2004
IUAF
USE AMENDMENT FILED
07/30/2004
EAAU
TEAS AMENDMENT OF USE RECEIVED
07/30/2004
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
02/03/2004
PUBO
PUBLISHED FOR OPPOSITION
11/11/2003
NPUB
NOTICE OF PUBLICATION
10/22/2003
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
09/16/2003
CFIT
CASE FILE IN TICRS
09/06/2003
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/11/2003
PAPER RECEIVED
08/11/2003
CNRT
NON-FINAL ACTION MAILED
02/19/2003
DOCK
ASSIGNED TO EXAMINER
02/12/2003
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