chlorpheniramine polistirex; codeine polistirex · Tris Pharma Inc · NDA 207768
Tuzistra Xr
Earliest generic entry, as listed
29 Mar 2029
No marketed reference-listed strength; date taken from all listed strengths.
Blocked by patent: US 8062667.
Listed patents · 2 unexpired
| Patent | Claims | Expires |
|---|---|---|
| US 8062667 | drug product · sets the listed date | 29 Mar 2029 |
| US 8790700 | drug product | 15 Mar 2027 |
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 · 1
| NDA · product | Form | Strength | Listed expiry |
|---|---|---|---|
| 207768 · 001 · RLD · discontinued | suspension, extended release, oral | EQ 2.8MG BASE/5ML;EQ 14.7MG BASE/5ML | 29 Mar 2029 |