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Details for Patent: 7,025,290

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Patent 7,025,290 protects VARITHENA and is included in one NDA.

This patent has sixty-five patent family members in thirty-two countries.

Summary for Patent: 7,025,290

Title:Generation of therapeutic microfoam
Abstract: Improved therapeutic sclerosing microfoams are provided that have advantage in producing a consistent profile injectable foam with minimal input by the physician yet using high volume percentages of blood dispersible gases, thus avoiding use of potentially hazardous amounts of nitrogen.
Inventor(s): Osman; Tariq (London, GB), Harman; Anthony David (Checkendon, GB), Boorman; Timothy David (Frinton on Sea, GB), Flynn; Sheila Bronwen (Nr. Stevenage, GB), Wright; David Dakin Iorwerth (High Wycombe, GB)
Assignee: BTG International Limited (London, GB)
Application Number:10/300,758
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation; Device; Delivery;
Patent Metrics:
Source: PatentQuant.com
Field: Chemical engineering
Back Citations: 53rd percentile
Forward Citations: 6th 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, 2013RXYes7,025,290► subscribeY A METHOD OF GENERATING AN INJECTABLE FOAM OF CONTROLLED DENSITY AND BUBBLE SIZE
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Foreign Priority and PCT Information for Patent: 7,025,290

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9912356May 26, 1999
United KingdomPCT/GB00/02045May 26, 2000

Non-Orange Book Patents for Patent: 7,025,290

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
8,091,801Generation of therapeutic microfoam► subscribe
6,572,873 Generation of therapeutic microfoam► subscribe
6,942,165 Generation 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: 7,025,290

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina025530► subscribe
Argentina027175► subscribe
Argentina089412► 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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