TPDR
TEAS PETITION TO DIRECTOR RECEIVED
03/12/2026
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Official data from USPTO
LET'S ENCRYPT
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: US
Quick snapshot
LET'S ENCRYPT
ST13
US500000088828174Class
42
Filing
88828174
Registration
6157921
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
31
Latest update
03/13/2026
Classification
Registered
Trademark type
Word
Nice classes
42
Filing date
03/10/2020
Registration date
09/22/2020
Expiration date
-
Recommended action
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Next step
These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.
Complete case details
Structured fields from the responsible authority and the official record.
Status date
09/22/2020
Last transaction
03/13/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
02/24/2020
First use in commerce
02/24/2020
Drawing code
4
Owner type
03
Owner location
San Francisco, CA, US
Examiner
FERRELL, STEVEN WAYNE
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
Internet Security Research Group
Representatives
BENJAMIN A COSTA RIDDER, COSTA & JOHNSTONE LLP
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Certificate transparency (CT) log servicesproviding electronic logs that record digital certificates issued by publicly trusted certificate authoritiesallowing identification of mistakenly or maliciously issued certificates for computer security purposes; Computer security servicesmaintaining a cryptographically assuredpublicly auditableappend-only record of digital security certificatesto which third parties may submit certificateswhich can be queried by third parties to verify that the log is correct or to verify that a particular certificate has been logged
Publications
History of USPTO decisions and trademark events.
31 publications found
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
03/12/2026
PR23
POST REGISTRATION ACTION MAILED - SEC. 8 & 15
01/29/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/29/2026
E815
TEAS SECTION 8 & 15 RECEIVED
10/27/2025
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
09/22/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/22/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/22/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/22/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/15/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/15/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/15/2022
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/08/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/08/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/08/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/08/2022
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/08/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/25/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/25/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/25/2021
R.PR
REGISTERED-PRINCIPAL REGISTER
09/22/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
07/07/2020
PUBO
PUBLISHED FOR OPPOSITION
07/07/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
06/17/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
06/03/2020
XAEC
EXAMINER'S AMENDMENT ENTERED
06/03/2020
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
06/03/2020
GNEA
EXAMINERS AMENDMENT E-MAILED
06/03/2020
CNEA
EXAMINERS AMENDMENT -WRITTEN
06/03/2020
DOCK
ASSIGNED TO EXAMINER
06/01/2020
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
03/16/2020
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