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Details for Patent: 7,247,655

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Patent 7,247,655 protects CYSVIEW KIT and is included in one NDA.

This patent has thirty patent family members in nineteen countries.

Summary for Patent: 7,247,655

Title:Esters of 5-aminolevulinic acid as photosensitizing agents in photochemotherapy
Abstract:The present invention relates to compounds being esters of 5-aminolevulinic acids or pharmaceutically acceptable salts thereof, including compounds of formula (I) R22N--CH2COCH2--CH2CO--OR1 (wherein R1 may represent alkyl optionally substituted by hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, amino, aryl, oxo or fluoro groups and optionally interrupted by oxygen, nitrogen, sulphur or phosphorus atoms; and R2 represents a hydrogen atom or a group R1, and both R2 groups may be the identical or different), and their use in diagnosis and photochemotherapy of disorders or abnormalities of external or internal surfaces of the body, and products and kits for performing the invention.
Inventor(s): Gierskcky; Karl E. (Oslo, NO), Moan; Johan (Oslo, NO), Peng; Qian (Oslo, NO), Steen; Harald (Oslo, NO), Warloe; Trond (Oslo, NO), Bjorseth; Alf (Oslo, NO)
Assignee: Photocure ASA (Oslo, NO)
Application Number:10/410,636
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Device; Use;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 30th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Photocure Asa
CYSVIEW KIT
hexaminolevulinate hydrochloride
FOR SOLUTION;INTRAVESICAL022555-001May 28, 2010RXYes7,247,655► subscribeY DETECTION OF NON-MUSCLE INVASIVE PAPILLARY CANCER OF THE BLADDER BY PHOTODYNAMIC CYSTOSCOPY
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Foreign Priority and PCT Information for Patent: 7,247,655

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9504948.2Mar 10, 1995
United Kingdom9525822.4Dec 18, 1995

Non-Orange Book Patents for Patent: 7,247,655

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
8,410,172Esters of 5-aminolevulinic acid as photosensitizing agents in photochemotherapy► subscribe
7,287,646Esters of 5-aminolevulinic acid and their use as photosensitizing compounds in photochemotherapy► subscribe
6,492,420 Esters of 5-aminolevulinic acid as photosensitizing agents in photochemotherapy► 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 Patent: 7,247,655

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria202076► subscribe
Australia4950096► subscribe
Australia708076► 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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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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