USPTO serial 99452076
LIQUEN TECHNOLOGIES
Status 688Notice of Allowance
- Filing date
- Oct 20, 2025
- Status date
- Jun 2, 2026
- Registration date
- —
- Examiner
- NELMAN, JESSE M
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What this means
The USPTO has issued a Notice of Allowance. To complete registration you generally need to file a Statement of Use or an extension request before the deadline.
Deadline: December 2nd, 2026
Owner
Liquen Technologies, Inc.
boulder, CO, US
Liquen Technologies, Inc.
boulder, CO, US
Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 009 | Calibration devices for calibrating Scientific and electronic instruments, namely, portable aerosol generators, particle counters, and calibration devices for use in environmental monitoring, air-quality analysis, and cleanroom validation; downloadable software for monitoring, recording, and controlling calibration processes | ACTIVE | — |
Prosecution history
| Date | Code | Event |
|---|---|---|
| Jun 2, 2026 | NOAM | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
| Apr 7, 2026 | NPUB | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Apr 7, 2026 | PUBO | PUBLISHED FOR OPPOSITION |
| Apr 1, 2026 | NONP | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Mar 13, 2026 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Mar 11, 2026 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Mar 11, 2026 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Mar 11, 2026 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Mar 6, 2026 | GNRN | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Mar 6, 2026 | GNRT | NON-FINAL ACTION E-MAILED |
| Mar 6, 2026 | CNRT | NON-FINAL ACTION WRITTEN |
| Mar 6, 2026 | DOCK | ASSIGNED TO EXAMINER |
| Feb 11, 2026 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Oct 20, 2025 | MAFR | APPLICATION FILING RECEIPT MAILED |
| Oct 20, 2025 | NWAP | NEW APPLICATION ENTERED |