ipratropium bromide · Boehringer Ingelheim · NDA 021527
Atrovent Hfa
Earliest generic entry, as listed
Open now
No unexpired patents or exclusivities are listed for this product.
Listed patents · 0 unexpired
No unexpired patents listed.
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
- 25 Oct 2026First generic approved · 021527-00123 Feb 2026
- 25 Oct 2026Generic approved · 021527-00123 Feb 2026
Products covered · 1
| NDA · product | Form | Strength | Listed expiry |
|---|---|---|---|
| 021527 · 001 · RLD | aerosol, metered, inhalation | 0.021MG/INH | open |
Expired or delisted (1)
- US 8474447 · product · 17 Jan 2030 · delisted