USPTO serial 75646719
ENERSUL
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Aug 8, 2000
- Examiner
- FINE, STEVEN
- Law office
- GENERIC WEB UPDATE
What this means
Status 800 means the registration was renewed after acceptable combined Section 8 and Section 9 filings. The mark remains registered for another 10-year term with active federal protection. Calendar the next Section 8 and 9 deadline in 10 years and maintain monitoring.
Need help with ENERSUL?
If you own this trademark, we can monitor new filings and help with USPTO deadlines. If you do not, we can file a new U.S. application.
Current trademark owner
Monitor this mark, or talk with CopyMark about this registration.
Not the owner?
File a new U.S. trademark application, or speak with our attorneys.
Owner
Calgary, Alberta T2H 1M5, CA
CALGARY, ALBERTA, CA
Calgary, Alberta T2H 1M5, CA
Calgary, Alberta T2H 1M5, CA
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Michael Harris
Michael Harris ARNOLD & PORTER KAYE SCHOLER LLP300 N. LaSalle Dr., Suite 3500Chicago, IL 60654United StatesGoods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 040 | Processing of liquid sulphur for others | ACTIVE | May 1, 1998 |
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 Enersul Holdings Inc.
- Other trademarks owned by ENERSUL LIMITED PARTNERSHIP
- Other trademarks owned by Enersul Holdings Inc.
- Other trademarks owned by Enersul Holdings Inc.
- Other trademarks in Class 040
- Similar marks named ENERSUL
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Apr 20, 2026 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 20, 2026 | 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. |
| Apr 20, 2026 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Apr 20, 2026 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Apr 20, 2026 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Mar 17, 2025 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Mar 17, 2025 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Mar 17, 2025 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Dec 16, 2024 | EWAF | TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS | — |
| Dec 16, 2024 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Dec 16, 2024 | ECDR | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS | — |
| Dec 16, 2024 | 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 16, 2024 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 15, 2021 | NA89 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED | — |
| May 15, 2021 | RNL2 | REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| May 15, 2021 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| May 15, 2021 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Feb 5, 2021 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Sep 15, 2020 | CHAN | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED | — |
| Sep 15, 2020 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Sep 15, 2020 | ECDR | TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS | — |
| Sep 15, 2020 | 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. |
| Sep 15, 2020 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Sep 15, 2020 | COAR | TEAS CHANGE OF OWNER ADDRESS RECEIVED | — |
| Aug 8, 2019 | REM2 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | — |
| Nov 20, 2018 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Apr 24, 2018 | 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. |
| Apr 24, 2018 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| Feb 17, 2016 | 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. |
| Feb 17, 2016 | REAP | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | — |
| May 5, 2014 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| May 1, 2014 | TCCA | TEAS CHANGE OF CORRESPONDENCE RECEIVED | — |
| Nov 18, 2009 | RNL1 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) | The trademark registration was renewed for another 10-year term after acceptable maintenance filings. RNL1, RNL2, and RNL3 indicate which renewal cycle (first, second, or third 10-year term) was recorded. The registration remains active. |
| Nov 18, 2009 | 89AG | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED | The USPTO accepted your combined Section 8 declaration and Section 9 renewal application. The registration is renewed for another 10-year term. The next combined maintenance filing will be due at the following 10-year anniversary. |
| Nov 13, 2009 | APRE | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | — |
| Nov 3, 2009 | E89R | TEAS SECTION 8 & 9 RECEIVED | — |
| Oct 23, 2007 | CFIT | CASE FILE IN TICRS | — |
| Mar 3, 2006 | C15A | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. | — |
| Dec 8, 2005 | 815F | REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED | — |
| Dec 8, 2005 | E815 | TEAS SECTION 8 & 15 RECEIVED | — |
| Aug 8, 2000 | 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. |
| May 16, 2000 | 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. |
| Apr 14, 2000 | NPUB | NOTICE OF PUBLICATION | — |
| Feb 4, 2000 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Dec 22, 1999 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Jun 25, 1999 | CNRT | NON-FINAL ACTION MAILED | A non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application. |