levetiracetam · Ucb Inc · NDA 022285
Keppra Xr
Earliest generic entry, as listed · earliest of 2 marketed strengths
17 Sep 2028
Blocked by patent: US 7858122.
Listed patents · 1 unexpired
| Patent | Claims | Expires |
|---|---|---|
| US 7858122 | drug product · sets the listed date | 17 Sep 2028 |
Exclusivities · 0 unexpired
No unexpired exclusivities listed.
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 · 2
| NDA · product | Form | Strength | Listed expiry |
|---|---|---|---|
| 022285 · 001 · RLD | tablet, extended release, oral | 500MG | 17 Sep 2028 |
| 022285 · 002 · RLD | tablet, extended release, oral | 750MG | 17 Sep 2028 |