USPTO serial 79441142
SYN-DUO
Reviewed by CopyMark Law Group
Status 681
- Filing date
- Status date
- Registration date
- —
- Examiner
- STEEL, ALYSSA PALADINO
- Law office
- PUBLICATION AND ISSUE SECTION
What this means
This page summarizes the public USPTO record for this serial number, including owners, goods and services, and prosecution history.
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Owner
Attorney of record
The USPTO lists this attorney as the applicant's representative for correspondence on this application.
Lawrence J. Crain
Lawrence J. Crain Greer, Burns & Crain, Ltd.200 West Madison StreetSuite 2100Chicago, IL 60606Goods and services
| Class | Description | Status | First use |
|---|---|---|---|
| 001 | Chemical diagnostic reagents and bioactive compounds for industrial and scientific use | ACTIVE | — |
| 005 | Pharmaceuticals for the in vivo treatment of solid tumors and cancer in patients | ACTIVE | — |
| 042 | Chemical engineering, namely, chemical and enzymatic modification of proteins | ACTIVE | — |
| 044 | Medical analysis for the diagnosis and treatment of a condition in patients. | ACTIVE | — |
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.
Prosecution history
| Date | Code | Event | What it means |
|---|---|---|---|
| Sep 11, 2026 | CNSA | APPROVED FOR PUB - PRINCIPAL REGISTER | — |
| Sep 9, 2026 | TEME | TEAS/EMAIL CORRESPONDENCE ENTERED | — |
| Sep 9, 2026 | CRFA | CORRESPONDENCE RECEIVED IN LAW OFFICE | — |
| Sep 9, 2026 | TROA | TEAS RESPONSE TO OFFICE ACTION RECEIVED | 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 11, 2026 | RFNT | REFUSAL PROCESSED BY IB | — |
| May 24, 2026 | RFCS | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB | — |
| May 24, 2026 | RFRR | REFUSAL PROCESSED BY MPU | — |
| Apr 14, 2026 | RFCR | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW | — |
| Apr 13, 2026 | CNRT | NON-FINAL ACTION WRITTEN | 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. |
| Apr 13, 2026 | DOCK | ASSIGNED TO EXAMINER | — |
| Jan 9, 2026 | MAFR | APPLICATION FILING RECEIPT MAILED | — |
| Jan 9, 2026 | NWOS | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | — |
| Jan 8, 2026 | REPR | SN ASSIGNED FOR SECT 66A APPL FROM IB | — |