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Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
AstraZeneca
Boehringer Ingelheim
Moodys
Colorcon
Dow
Johnson and Johnson
Federal Trade Commission
McKinsey
Teva

Generated: December 10, 2017

DrugPatentWatch Database Preview

LEVULAN Drug Profile

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Which patents cover Levulan, and when can generic versions of Levulan launch?

Levulan is a drug marketed by Dusa and is included in one NDA. There are five patents protecting this drug.

This drug has forty-nine patent family members in twenty-one countries.

The generic ingredient in LEVULAN is aminolevulinic acid hydrochloride. There are six drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the aminolevulinic acid hydrochloride profile page.
Drug patent expirations by year for LEVULAN

Medical Subject Heading (MeSH) Categories for LEVULAN

US Patents and Regulatory Information

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Patent Submitted Product Substance Delist Req. Exclusivity Expiration
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999RXYesYes► Subscribe► Subscribe► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999RXYesYes► Subscribe► Subscribe► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999RXYesYes► Subscribe► Subscribe► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999RXYesYes► Subscribe► Subscribe► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999RXYesYes► Subscribe► Subscribe► Subscribe► Subscribe
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Expired Patents for Tradename: LEVULAN

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999► Subscribe► Subscribe
DusaLEVULANaminolevulinic acid hydrochlorideSOLUTION;TOPICAL020965-001Dec 3, 1999► Subscribe► Subscribe
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Non-Orange Book Patents for Tradename: LEVULAN

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,223,071 Illuminator for photodynamic therapy and diagnosis which produces substantially uniform intensity visible light► Subscribe
9,723,991Illuminator for photodynamic therapy► Subscribe
8,030,836Illuminator for photodynamic therapy► Subscribe
7,190,109Illuminator for photodynamic therapy► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Tradename: LEVULAN

Country Document Number Estimated Expiration
Norway20002295► Subscribe
Japan4837826► Subscribe
Slovenia1027093► Subscribe
European Patent Office1027093► Subscribe
European Patent Office1510233► Subscribe
Canada2331090► Subscribe
Czech Republic20004038► Subscribe
World Intellectual Property Organization (WIPO)9956827► Subscribe
Denmark1027093► Subscribe
Poland340298► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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For more information try a trial or see the database preview and plans and pricing

Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Covington
Chinese Patent Office
Mallinckrodt
Daiichi Sankyo
Cerilliant
McKinsey
Chubb
Federal Trade Commission
UBS

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 verifification 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.

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