LET'S ENCRYPT
Live / Registered — Registered — Sections 8 & 15 accepted and acknowledged (as of 27 Dec 2022)
What this means for you
Registered since 07 Mar 2017. The owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 87096675
- Registration number
- 5154988
- Mark type
- Stylized text
- Filed
- 07 Jul 2016
- Published for opposition
- 20 Dec 2016
- Registered
- 07 Mar 2017
- Attorney of record
- Benjamin A. Costa
Goods and services
- Class 042 — Scientific and technological services: Development, integration, and operation of computer systems to support issuance and management of digital keys and digital certificates by and to third parties
- Class 045 — Legal and security 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
Owner
- Internet Security Research Group, San Francisco, CA, US
- Internet Security Research Group, San Francisco, CA, US
- Internet Security Research Group, San Francisco, CA, US
Prosecution history
- 07 Mar 2026 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 22 Aug 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 22 Aug 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 22 Aug 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 27 Dec 2022 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 27 Dec 2022 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 27 Dec 2022 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 15 Dec 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 15 Dec 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 15 Dec 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 13 Jun 2022 — TEAS SECTION 8 & 15 RECEIVED
- 08 Mar 2022 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 08 Mar 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 08 Mar 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 08 Mar 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED