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
88
Latest update
06/23/2026
Trademark type
Word
Nice classes
9
Filing date
03/29/2016
Registration date
11/03/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
11/03/2020
Last transaction
06/23/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
2017-11-00
First use in commerce
2017-11-00
Drawing code
4
Owner type
03
Owner location
NEW YORK, NY, US
Examiner
RIRIE, VERNA BETH
Law office
L40
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
HACHETTE BOOK GROUP, INC.
Knock Knock, LLC
Knock Knock, LLC
Representatives
Erin Hennessy AKERMAN LLP
Technical classification
Nice Classes
Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 9
Downloadable printed materialsgreeting cards; downloadable electronic publications in the nature of books in the field of humor
Publications
History of USPTO decisions and trademark events.
88 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
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
11/03/2025
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
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
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
R.PR
REGISTERED-PRINCIPAL REGISTER
11/03/2020
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
10/02/2020
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
10/01/2020
SUPC
STATEMENT OF USE PROCESSING COMPLETE
09/03/2020
IUAF
USE AMENDMENT FILED
08/27/2020
EISU
TEAS STATEMENT OF USE RECEIVED
08/27/2020
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
02/14/2020
EX5G
SOU EXTENSION 5 GRANTED
02/13/2020
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
02/13/2020
EXT5
SOU EXTENSION 5 FILED
02/07/2020
EEXT
SOU TEAS EXTENSION RECEIVED
02/07/2020
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
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
10/02/2019
EX4G
SOU EXTENSION 4 GRANTED
09/30/2019
EXT4
SOU EXTENSION 4 FILED
09/30/2019
EEXT
SOU TEAS EXTENSION RECEIVED
09/30/2019
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
02/15/2019
EX3G
SOU EXTENSION 3 GRANTED
02/13/2019
EXT3
SOU EXTENSION 3 FILED
02/13/2019
EEXT
SOU TEAS EXTENSION RECEIVED
02/13/2019
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
09/19/2018
EX2G
SOU EXTENSION 2 GRANTED
09/17/2018
EXT2
SOU EXTENSION 2 FILED
09/17/2018
EEXT
SOU TEAS EXTENSION RECEIVED
09/17/2018
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/05/2018
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/05/2018
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
03/29/2018
EX1G
SOU EXTENSION 1 GRANTED
03/27/2018
EXT1
SOU EXTENSION 1 FILED
03/27/2018
EEXT
SOU TEAS EXTENSION RECEIVED
03/27/2018
DOCK
ASSIGNED TO EXAMINER
01/09/2018
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
10/24/2017
ETOP
EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED
09/13/2017
CHPB
POST PUBLICATION AMENDMENT - ENTERED
08/11/2017
APET
ASSIGNED TO PETITION STAFF
08/04/2017
ETOF
EXTENSION OF TIME TO OPPOSE RECEIVED
08/04/2017
EPPA
TEAS POST PUBLICATION AMENDMENT RECEIVED
07/27/2017
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
07/04/2017
PUBO
PUBLISHED FOR OPPOSITION
07/04/2017
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
06/14/2017
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/25/2017
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/20/2017
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/19/2017
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
05/19/2017
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
12/16/2016
GNRT
NON-FINAL ACTION E-MAILED
12/16/2016
CNRT
NON-FINAL ACTION WRITTEN
12/16/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
11/23/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/22/2016
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
11/22/2016
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
05/25/2016
GNRT
NON-FINAL ACTION E-MAILED
05/25/2016
CNRT
NON-FINAL ACTION WRITTEN
05/25/2016
DOCK
ASSIGNED TO EXAMINER
05/22/2016
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/02/2016
NWAP
NEW APPLICATION ENTERED
04/01/2016
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