USPTO serial 88828174
LET'S ENCRYPT
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Sep 22, 2020
- Examiner
- FERRELL, STEVEN WAYNE
- Law office
- GENERIC WEB UPDATE
What this means
This registration is in, or will soon enter, a USPTO maintenance window. Missing a Section 8 or Section 9 filing can cancel the registration.
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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
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
BENJAMIN A COSTA
BENJAMIN A COSTA RIDDER, COSTA & JOHNSTONE LLP440 N Barranca Ave#7550Covina, CA 91723Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 042 | 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 | ACTIVE | Feb 24, 2020 |
Related trademarks
CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.
- Other trademarks owned by Internet Security Research Group
- Other trademarks owned by Internet Security Research Group
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Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Mar 12, 2026 | TPDR | TEAS PETITION TO DIRECTOR RECEIVED | — |
| Mar 12, 2026 | EROP | TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED | — |
| Jan 29, 2026 | PR23 | POST REGISTRATION ACTION MAILED - SEC. 8 & 15 | — |
| Jan 29, 2026 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Oct 27, 2025 | E815 | TEAS SECTION 8 & 15 RECEIVED | — |
| Sep 22, 2025 | REM1 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED | — |
| Aug 22, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 22, 2025 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Aug 22, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Aug 22, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Aug 22, 2025 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Aug 22, 2025 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Dec 15, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 15, 2022 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Dec 15, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Mar 8, 2022 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Mar 8, 2022 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Mar 8, 2022 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Mar 8, 2022 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Mar 8, 2022 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Jun 25, 2021 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Jun 25, 2021 | ARAA | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | This event means the applicant filed a response to a USPTO Office Action — typically arguments, amendments, or evidence addressing the examiner's objections. The USPTO will review the response and either allow the mark to proceed or issue another action. |
| Jun 25, 2021 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 22, 2020 | R.PR | REGISTERED-PRINCIPAL REGISTER | Your trademark is registered on the Principal Register — the strongest form of federal trademark protection. You may use the ® symbol for the covered goods and services. Maintenance filings (Section 8 and renewals) are required to keep the registration alive. |
| Jul 7, 2020 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| Jul 7, 2020 | PUBO | PUBLISHED FOR OPPOSITION | Your mark was published in the USPTO Official Gazette for a 30-day opposition window. During that period, third parties who believe they would be harmed can file an opposition. If no opposition is filed, prosecution usually continues toward registration or a Notice of Allowance. |
| Jun 17, 2020 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Jun 3, 2020 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Jun 3, 2020 | XAEC | EXAMINER'S AMENDMENT ENTERED | — |
| Jun 3, 2020 | GNEN | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | — |
| Jun 3, 2020 | GNEA | EXAMINERS AMENDMENT E-MAILED | — |
| Jun 3, 2020 | CNEA | EXAMINERS AMENDMENT -WRITTEN | — |
| Jun 1, 2020 | DOCK | ASSIGNED TO EXAMINER | — |
| Mar 16, 2020 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |