USPTO serial 99552377
LET
Reviewed by CopyMark Law Group
- Filing date
- Status date
- Registration date
- Jul 7, 2026
- Examiner
- CHOSID, ROBIN S
- Law office
- TMO LAW OFFICE 119
What this means
Status 700 means the trademark is registered and active on the Principal Register. You have nationwide rights for the listed goods and services and may use ®. Section 8 maintenance is due between years five and six. Calendar Section 8 between years five and six, and consider trademark monitoring.
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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.
Owner
Lemna Environmental Technologies, Inc.
Vadnais Heights, MN, US
Other trademarks owned by Lemna Environmental Technologies, Inc.
Lemna Environmental Technologies, Inc.
Vadnais Heights, MN, US
Other trademarks owned by Lemna Environmental Technologies, Inc.
Lemna Environmental Technologies, Inc.
Vadnais Heights, MN, US
Other trademarks owned by Lemna Environmental Technologies, Inc.
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Alison Jarzyna
Alison Jarzyna Larkin Hoffman8300 Norman Center DriveSuite 1000Minneapolis, MN 55437Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 040 | Consulting services in the field of waste water treatment; Waste water treatment services; Environmental remediation services, namely, treatment of wastewater | ACTIVE | Jan 1, 1983 |
| 042 | Engineering services and consultation for the detection of contaminants in waste water; Planning and design of waste water treatment systems and technologies; Engineering design services in the field of waste water treatment | ACTIVE | Jan 1, 1983 |
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 Lemna Environmental Technologies, Inc.
- Other trademarks owned by Lemna Environmental Technologies, Inc.
- Other trademarks owned by Lemna Environmental Technologies, Inc.
- Other trademarks in Class 040
- Other trademarks in Class 042
- Similar marks named LET
- Recently changed USPTO trademarks
- Recently filed trademarks
- Browse all trademark records
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Jul 7, 2026 | NRCC | NOTICE OF REGISTRATION CONFIRMATION EMAILED | — |
| Jul 7, 2026 | 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 19, 2026 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | — |
| May 19, 2026 | 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. |
| May 13, 2026 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | — |
| Apr 22, 2026 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Apr 20, 2026 | DOCK | ASSIGNED TO EXAMINER | — |
| Dec 17, 2025 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Dec 17, 2025 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Dec 17, 2025 | NWAP | NEW APPLICATION ENTERED | — |