naloxone hydrochloride · Kaleo Inc · NDA 205787

Evzio

Earliest generic entry, as listed
20 Mar 2035

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

Blocked by patent: US 10220158.

Listed patents · 17 unexpired

PatentClaimsExpires
US 10220158product, use U-250020 Mar 2035
US 9517307product, use U-192518 Jul 2034
US 8627816product4 Feb 2032
US 10143972use U-247624 May 2031
US 10322239use U-190728 Feb 2031
US 8939943product28 Feb 2031
US 9022022product28 Feb 2031
US 9474869product, use U-190728 Feb 2031
US 8021344product2 Nov 2029
US 8226610product10 Apr 2029
US 8231573product25 Nov 2028
US 7749194product30 Oct 2028
US 7947017product12 Mar 2028
US 9724471product, use U-209223 May 2027
US 8206360product27 Feb 2027
US 9238108product20 Feb 2027
US 11590286product12 Dec 2026

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 · productFormStrengthListed expiry
205787 · 001 · RLD · discontinuedsolution, intramuscular, subcutaneous0.4MG/0.4ML (0.4MG/0.4ML)20 Mar 2035
Expired or delisted (4)
  • US 10960155 · product · 25 Jun 2026
  • US 7731686 · product · 10 Jun 2026
  • US 8926594 · product · 31 Mar 2026
  • US 9278182 · product · 1 Feb 2026