Last Updated: July 27, 2026

DEFINITY Drug Patent Profile


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Which patents cover Definity, and what generic alternatives are available?

Definity is a drug marketed by Lantheus Medcl and is included in one NDA. There are eleven patents protecting this drug.

This drug has eighty-one patent family members in seventeen countries.

The generic ingredient in DEFINITY is perflutren. One supplier is listed for this compound. Additional details are available on the perflutren profile page.

DrugPatentWatch® Generic Entry Outlook for Definity

Definity was eligible for patent challenges on July 31, 2005.

By analyzing the patents and regulatory protections it appears that the earliest date for generic entry will be May 4, 2037. This may change due to patent challenges or generic licensing.

Indicators of Generic Entry

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Summary for DEFINITY
International Patents:81
US Patents:9
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Raw Ingredient (Bulk) Api Vendors: 53
Clinical Trials: 69
Patent Applications: 3,662
Drug Prices: Drug price information for DEFINITY
What excipients (inactive ingredients) are in DEFINITY?DEFINITY excipients list
DailyMed Link:DEFINITY at DailyMed
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for DEFINITY
Generic Entry Date for DEFINITY*:
Constraining patent/regulatory exclusivity:
NDA:
Dosage:

INJECTABLE;INTRAVENOUS

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for DEFINITY

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Amsterdam UMC, location VUmcPHASE3
Eindhoven University of TechnologyPHASE3
Thomas Jefferson UniversityPHASE3

See all DEFINITY clinical trials

Pharmacology for DEFINITY

US Patents and Regulatory Information for DEFINITY

DEFINITY is protected by nine US patents.

Based on analysis by DrugPatentWatch, the earliest date for a generic version of DEFINITY is ⤷  Start Trial.

This potential generic entry date is based on patent 5,527,521.

Generics may enter earlier, or later, based on new patent filings, patent extensions, patent invalidation, early generic licensing, generic entry preferences, and other factors.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Lantheus Medcl DEFINITY perflutren INJECTABLE;INTRAVENOUS 021064-001 Jul 31, 2001 RX Yes Yes 9,789,210 ⤷  Start Trial ⤷  Start Trial
Lantheus Medcl DEFINITY RT perflutren INJECTABLE;INTRAVENOUS 021064-002 Nov 17, 2020 RX Yes Yes 11,266,750 ⤷  Start Trial ⤷  Start Trial
Lantheus Medcl DEFINITY perflutren INJECTABLE;INTRAVENOUS 021064-001 Jul 31, 2001 RX Yes Yes 11,857,646 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for DEFINITY

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Lantheus Medcl DEFINITY perflutren INJECTABLE;INTRAVENOUS 021064-001 Jul 31, 2001 6,146,657 ⤷  Start Trial
Lantheus Medcl DEFINITY perflutren INJECTABLE;INTRAVENOUS 021064-001 Jul 31, 2001 8,658,205 ⤷  Start Trial
Lantheus Medcl DEFINITY perflutren INJECTABLE;INTRAVENOUS 021064-001 Jul 31, 2001 6,773,696 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

EU/EMA Drug Approvals for DEFINITY

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
Lantheus EU Limited Luminity perflutren EMEA/H/C/000654This medicinal product is for diagnostic use only.Luminity is an ultrasound contrast-enhancing agent for use in patients in whom non-contrast echocardiography was suboptimal (suboptimal is considered to indicate that at least two of six segments in the 4- or 2-chamber view of the ventricular border were not evaluable) and who have suspected or established coronary artery disease, to provide opacification of cardiac chambers and improvement of left ventricular endocardial border delineation at both rest and stress. Authorised no no no 2006-09-20
GE Healthcare AS Optison perflutren EMEA/H/C/000166This medicinal product is for diagnostic use only.Optison is a transpulmonary echocardiographic contrast agent for use in patients with suspected or established cardiovascular disease to provide opacification of cardiac chambers, enhance left-ventricular-endocardial-border delineation with resulting improvement in wall-motion visualisation.Optison should only be used in patients where the study without contrast enhancement is inconclusive. Authorised no no no 1998-05-17
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

Supplementary Protection Certificates for DEFINITY

Patent Number Supplementary Protection Certificate SPC Country SPC Expiration SPC Description
0712293 91325 Luxembourg ⤷  Start Trial PRODUCT NMAE. LUMINITY; REGISTRATION DATE: 20060920
0712293 CA 2007 00027 Denmark ⤷  Start Trial
0712293 300267 Netherlands ⤷  Start Trial 300267, 20140520, EXPIRES: 20190519
>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. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. 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.