LET'S ENCRYPT Trademark

Trademark Overview

On Tuesday, March 10, 2020, a trademark application was filed for LET'S ENCRYPT with the United States Patent and Trademark Office. The USPTO has given the LET'S ENCRYPT trademark a serial number of 88828174. The federal status of this trademark filing is REGISTERED as of Tuesday, September 22, 2020. This trademark is owned by Internet Security Research Group. The LET'S ENCRYPT trademark is filed in the Computer & Software Services & Scientific Services category with the following description:

Certificate transparency (CT) log services, namely, providing electronic logs that record digital certificates issued by publicly trusted certificate authorities, allowing identification of mistakenly or maliciously issued certificates for computer security purposes; Computer security services, namely, maintaining a cryptographically assured, publicly auditable, append-only record of digital security certificates, to which third parties may submit certificates, and which can be queried by third parties to verify that the log is correct or to verify that a particular certificate has been logged
let's encrypt

General Information

Serial Number88828174
Word MarkLET'S ENCRYPT
Filing DateTuesday, March 10, 2020
Status700 - REGISTERED
Status DateTuesday, September 22, 2020
Registration Number6157921
Registration DateTuesday, September 22, 2020
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateTuesday, July 7, 2020

Trademark Statements

Pseudo MarkLET US ENCRYPT
Goods and ServicesCertificate transparency (CT) log services, namely, providing electronic logs that record digital certificates issued by publicly trusted certificate authorities, allowing identification of mistakenly or maliciously issued certificates for computer security purposes; Computer security services, namely, maintaining a cryptographically assured, publicly auditable, append-only record of digital security certificates, to which third parties may submit certificates, and which can be queried by third parties to verify that the log is correct or to verify that a particular certificate has been logged

Classification Information

International Class042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.
US Class Codes100, 101
Class Status Code6 - Active
Class Status DateMonday, March 16, 2020
Primary Code042
First Use Anywhere DateMonday, February 24, 2020
First Use In Commerce DateMonday, February 24, 2020

Trademark Owner History

Party NameInternet Security Research Group
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94104
Party NameInternet Security Research Group
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94129
Party NameInternet Security Research Group
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressSan Francisco, CA 94129

Trademark Events

Event DateEvent Description
Monday, March 16, 2020NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Monday, June 1, 2020ASSIGNED TO EXAMINER
Wednesday, June 3, 2020EXAMINERS AMENDMENT -WRITTEN
Wednesday, June 3, 2020EXAMINERS AMENDMENT E-MAILED
Wednesday, June 3, 2020NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
Wednesday, June 3, 2020EXAMINER'S AMENDMENT ENTERED
Wednesday, June 3, 2020APPROVED FOR PUB - PRINCIPAL REGISTER
Wednesday, June 17, 2020NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Tuesday, July 7, 2020PUBLISHED FOR OPPOSITION
Tuesday, July 7, 2020OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Tuesday, September 22, 2020REGISTERED-PRINCIPAL REGISTER
Friday, June 25, 2021TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, June 25, 2021ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, June 25, 2021TEAS CHANGE OF CORRESPONDENCE RECEIVED
Tuesday, March 8, 2022TEAS CHANGE OF OWNER ADDRESS RECEIVED
Tuesday, March 8, 2022TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Tuesday, March 8, 2022ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Tuesday, March 8, 2022TEAS CHANGE OF CORRESPONDENCE RECEIVED
Tuesday, March 8, 2022APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Thursday, December 15, 2022TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Thursday, December 15, 2022ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Thursday, December 15, 2022TEAS CHANGE OF CORRESPONDENCE RECEIVED
Friday, August 22, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, August 22, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, August 22, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED
Friday, August 22, 2025TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Friday, August 22, 2025ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Friday, August 22, 2025TEAS CHANGE OF CORRESPONDENCE RECEIVED
Monday, September 22, 2025COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Monday, October 27, 2025TEAS SECTION 8 & 15 RECEIVED

Related Keywords

encrypt certificates certificate security issued parties which computer third publicly verify