naloxone hydrochloride · Scienture · NDA 215487
Rezenopy
Earliest generic entry, as listed
5 Feb 2041
Blocked by patent: US 12514854, US 12622903.
Listed patents · 2 unexpired
| Patent | Claims | Expires |
|---|---|---|
| US 12514854 | use U-4397 · sets the listed date | 5 Feb 2041 |
| US 12622903 | drug product · sets the listed date | 5 Feb 2041 |
Exclusivities · 1 unexpired
| NP | new product | 19 Apr 2027 |
Paragraph IV certifications · 0
No Paragraph IV certification listed by FDA for this drug.
The list shows that a generic applicant certified to FDA that a listed patent is invalid or not infringed. It does not show litigation, settlements or launch timing.
Event history
No events yet. The first ingestion only records products entering their 12-month window; changes appear from the next Orange Book update.
Products covered · 1
| NDA · product | Form | Strength | Listed expiry |
|---|---|---|---|
| 215487 · 001 · RLD | spray, nasal | 10MG/SPRAY | 5 Feb 2041 |