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Details for Patent: 7,842,282

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Patent 7,842,282 protects VARITHENA and is included in one NDA.

This patent has twelve patent family members in ten countries.

Summary for Patent: 7,842,282

Title:Generation of therapeutic microfoam
Abstract: A method for producing a microfoam suitable for use in scleropathy of blood vessels comprises introducing a physiologically acceptable blood-dispersible gas into a container (1) holding an aqueous sclerosant liquid and releasing the mixture of blood-dispersible gas and sclerosant liquid, whereby upon release of the mixture the components of the mixture interact to form a microfoam.
Inventor(s): Harman; Anthony David (Henley-on-Thames, GB), Harper; Paul (Buckinghamshire, GB), Pollock; Neil (Hertfordshire, GB), Sinclair; Gary Stewart (Suffolk, GB)
Assignee: BTG International Limited (London, GB)
Application Number:11/580,020
Patent Claim Types:
see list of patent claims
Use; Formulation; Device;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 71st 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
Provensis
VARITHENA
polidocanol
SOLUTION;INTRAVENOUS205098-001Nov 25, 2013RXYes7,842,282► subscribe A METHOD OF GENERATING AN INJECTABLE FOAM OF CONTROLLED DENSITY AND BUBBLE SIZE
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Foreign Priority and PCT Information for Patent: 7,842,282

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom0028692.2Nov 24, 2000

Non-Orange Book Patents for Patent: 7,842,282

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
7,842,283Generation of therapeutic microfoam► 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: 7,842,282

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Japan2004518465► subscribe
United Kingdom0028692► subscribe
Spain2281465► 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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