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Last Updated: March 19, 2024

KLOXXADO Drug Patent Profile


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When do Kloxxado patents expire, and what generic alternatives are available?

Kloxxado is a drug marketed by Hikma and is included in one NDA. There are five patents protecting this drug and one Paragraph IV challenge.

This drug has thirteen patent family members in seven countries.

The generic ingredient in KLOXXADO is naloxone hydrochloride. There are twelve drug master file entries for this compound. Thirty suppliers are listed for this compound. Additional details are available on the naloxone hydrochloride profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Kloxxado

A generic version of KLOXXADO was approved as naloxone hydrochloride by HOSPIRA on September 24th, 1986.

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Paragraph IV (Patent) Challenges for KLOXXADO
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
KLOXXADO Nasal Spray naloxone hydrochloride 8 mg/spray 212045 1 2023-03-30

US Patents and Regulatory Information for KLOXXADO

KLOXXADO is protected by five US patents.

Patents protecting KLOXXADO

Liquid naloxone spray
Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial
Patented Use: USE OF NALOXONE FOR THE EMERGENCY TREATMENT OF KNOWN OR SUSPECTED OPIOID OVERDOSE, AS MANIFESTED BY RESPIRATORY AND/OR CENTRAL NERVOUS SYSTEM DEPRESSION, FOR ADULT AND PEDIATRIC PATIENTS

Liquid naloxone spray
Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial
Patented Use: USE OF NALOXONE FOR THE EMERGENCY TREATMENT OF KNOWN OR SUSPECTED OPIOID OVERDOSE, AS MANIFESTED BY RESPIRATORY AND/OR CENTRAL NERVOUS SYSTEM DEPRESSION, FOR ADULT AND PEDIATRIC PATIENTS

Liquid naloxone spray
Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial


Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial
Patented Use: USE OF NALOXONE FOR THE EMERGENCY TREATMENT OF KNOWN OR SUSPECTED OPIOID OVERDOSE, AS MANIFESTED BY RESPIRATORY AND/OR CENTRAL NERVOUS SYSTEM DEPRESSION, FOR ADULT AND PEDIATRIC PATIENTS


Patent Number: ⤷  Try a Trial
Patent Expiration: ⤷  Try a Trial
Patented Use: USE OF NALOXONE FOR THE EMERGENCY TREATMENT OF KNOWN OR SUSPECTED OPIOID OVERDOSE, AS MANIFESTED BY RESPIRATORY AND/OR CENTRAL NERVOUS SYSTEM DEPRESSION, FOR ADULT AND PEDIATRIC PATIENTS

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Hikma KLOXXADO naloxone hydrochloride SPRAY;NASAL 212045-001 Apr 29, 2021 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Hikma KLOXXADO naloxone hydrochloride SPRAY;NASAL 212045-001 Apr 29, 2021 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
Hikma KLOXXADO naloxone hydrochloride SPRAY;NASAL 212045-001 Apr 29, 2021 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial Y ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for KLOXXADO

See the table below for patents covering KLOXXADO around the world.

Country Patent Number Title Estimated Expiration
European Patent Office 3500261 PULVÉRISATION DE NALOXONE LIQUIDE (LIQUID NALOXONE SPRAY) ⤷  Try a Trial
Japan 2017519803 舌下ナロキソンスプレー ⤷  Try a Trial
World Intellectual Property Organization (WIPO) 2016007245 ⤷  Try a Trial
>Country >Patent Number >Title >Estimated Expiration

Supplementary Protection Certificates for KLOXXADO

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
1685839 92292 Luxembourg ⤷  Try a Trial PRODUCT NAME: COMBINAISON D OXYCODONE EN TANT QUE COMPOSANT A ET DE NALOXONE EN TANT QUE COMPOSANT B SOUS TOUTES LES FORMES PROTEGES PAR LE BREVET DE BASE
>Patent Number >Supplementary Protection Certificate >SPC Country >SPC Expiration >SPC Description

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.