fentanyl citrate · Adalvo · NDA 022266

Onsolis

Earliest generic entry, as listed · earliest of 5 marketed strengths
23 Jul 2027

No marketed reference-listed strength; date taken from all listed strengths.

Blocked by patent: US 9597288.

Listed patents · 1 unexpired

PatentClaimsExpires
US 9597288product, use U-76723 Jul 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

  • 24 Oct 2026Enters 12-month window basis: patent · 022266-005
  • 24 Oct 2026Enters 12-month window basis: patent · 022266-004
  • 24 Oct 2026Enters 12-month window basis: patent · 022266-003
  • 24 Oct 2026Enters 12-month window basis: patent · 022266-002
  • 24 Oct 2026Enters 12-month window basis: patent · 022266-001

Products covered · 5

NDA · productFormStrengthListed expiry
022266 · 001 · discontinuedfilm, buccalEQ 0.2MG BASE23 Jul 2027
022266 · 002 · discontinuedfilm, buccalEQ 0.4MG BASE23 Jul 2027
022266 · 003 · discontinuedfilm, buccalEQ 0.6MG BASE23 Jul 2027
022266 · 004 · discontinuedfilm, buccalEQ 0.8MG BASE23 Jul 2027
022266 · 005 · discontinuedfilm, buccalEQ 1.2MG BASE23 Jul 2027