NALMEFENE HCL Trademark
Trademark Overview
On Wednesday, March 18, 2026, a trademark application was filed for NALMEFENE HCL with the United States Patent and Trademark Office. The USPTO has given the NALMEFENE HCL trademark a serial number of 99710822. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Wednesday, March 18, 2026. This trademark is owned by Purdue Pharma L.P.. The NALMEFENE HCL trademark is filed in the Pharmaceutical Products category with the following description:
Pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Pharmaceuticals, namely, opioid antagonists; Syringes filled with pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Syringes filled with opioid antagonists; Injectors filled with pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Injectors filled with opioid antagonists; Injectable pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Injectable pharmaceuticals, namely, opioid antagonists
General Information
| Serial Number | 99710822 |
| Word Mark | NALMEFENE HCL |
| Filing Date | Wednesday, March 18, 2026 |
| Status | 630 - NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER |
| Status Date | Wednesday, March 18, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Description of Mark | The mark consists of the words Nalmefene HCl beneath 5 small squares and three horizontal lines that transition from solid to decreasing shading. |
| Goods and Services | Pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Pharmaceuticals, namely, opioid antagonists; Syringes filled with pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Syringes filled with opioid antagonists; Injectors filled with pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Injectors filled with opioid antagonists; Injectable pharmaceuticals for use in the treatment of opioid overdose, opioid reversal, or opioid use disorders; Injectable pharmaceuticals, namely, opioid antagonists |
| Pseudo Mark | NALMEFENE HYDROCHLORIDE |
Classification Information
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, March 18, 2026 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Purdue Pharma L.P. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 13 - Limited Partnership |
| Address | Stamford, CT 06901
US |
Trademark Events
| Event Date | Event Description |
| Wednesday, March 18, 2026 | NEW APPLICATION ENTERED |
| Wednesday, March 18, 2026 | APPLICATION FILING RECEIPT MAILED |
