| Serial Number | 87096675 |
| Word Mark | LET'S ENCRYPT |
| Filing Date | Thursday, July 7, 2016 |
| Status | 702 - SECTION 8 & 15 - ACCEPTED AND ACKNOWLEDGED |
| Status Date | Tuesday, December 27, 2022 |
| Registration Number | 5154988 |
| Registration Date | Tuesday, March 7, 2017 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, December 20, 2016 |
| Pseudo Mark | LET US ENCRYPT |
| Goods and Services | Managed public key infrastructure services, namely, authentication, issuance, and validation of digital keys and digital certificates; Issuance of digital keys and digital certificates for authentication; Computer security services, namely, providing digital keys and digital certificates that authenticate the identity of websites and secure information sent using Secure Socket Layer (SSL) and Transport Layer Security (TLS) technologies |
| Goods and Services | Development, integration, and operation of computer systems to support issuance and management of digital keys and digital certificates by and to third parties |
| International Class | 042 - 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 Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, July 13, 2016 |
| Primary Code | 042 |
| First Use Anywhere Date | Thursday, July 7, 2016 |
| First Use In Commerce Date | Thursday, July 7, 2016 |
| International Class | 045 - Legal services; security services for the protection of property and individuals; personal and social services rendered by others to meet the needs of individuals. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, July 13, 2016 |
| Primary Code | 045 |
| First Use Anywhere Date | Thursday, July 7, 2016 |
| First Use In Commerce Date | Thursday, July 7, 2016 |
| Party Name | Internet Security Research Group |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94104 |
| Party Name | Internet Security Research Group |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94129 |
| Party Name | Internet Security Research Group |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | San Francisco, CA 94129 |
| Event Date | Event Description |
| Monday, July 11, 2016 | NEW APPLICATION ENTERED |
| Wednesday, July 13, 2016 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, July 14, 2016 | NOTICE OF PSEUDO MARK E-MAILED |
| Friday, August 5, 2016 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Friday, August 5, 2016 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Monday, October 17, 2016 | ASSIGNED TO EXAMINER |
| Thursday, October 20, 2016 | NON-FINAL ACTION WRITTEN |
| Thursday, October 20, 2016 | NON-FINAL ACTION E-MAILED |
| Thursday, October 20, 2016 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Monday, November 7, 2016 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Monday, November 7, 2016 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, November 8, 2016 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Thursday, November 10, 2016 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, November 30, 2016 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, December 20, 2016 | PUBLISHED FOR OPPOSITION |
| Tuesday, December 20, 2016 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, March 7, 2017 | REGISTERED-PRINCIPAL REGISTER |
| Friday, June 25, 2021 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Friday, June 25, 2021 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, June 25, 2021 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Monday, March 7, 2022 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Tuesday, March 8, 2022 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Tuesday, March 8, 2022 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Tuesday, March 8, 2022 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Tuesday, March 8, 2022 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Tuesday, March 8, 2022 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Monday, June 13, 2022 | TEAS SECTION 8 & 15 RECEIVED |
| Thursday, December 15, 2022 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Thursday, December 15, 2022 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Thursday, December 15, 2022 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Tuesday, December 27, 2022 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Tuesday, December 27, 2022 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Tuesday, December 27, 2022 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Friday, August 22, 2025 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Friday, August 22, 2025 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Friday, August 22, 2025 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |