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Details for Patent: 6,458,818

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Patent 6,458,818 protects KALETRA and is included in one NDA. There have been two Paragraph IV challenges on Kaletra. There are six tentative approvals for the compound protected by this patent. Additional details are available via the generic ingredient links below.

Protection for KALETRA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

Summary for Patent: 6,458,818

Title: Pharmaceutical composition
Abstract:A liquid pharmaceutical composition providing improved oral bioavailability is disclosed for compounds which are inhibitors of HIV protease. In particular, the composition comprises a solution in a pharmaceutically acceptable organic solvent of (a) the HIV protease inhibitor and, optionally, (b) a surfactant. The composition can optionally be encapsulated in either hard gelatin capsules or soft elastic capsules (SEC).
Inventor(s): Lipari; John (Racine, WI), Al-Razzak; Laman A. (Lake Forest, IL), Ghosh; Soumojeet (Lindenhurst, IL), Gao; Rong (Park City, IL), Kaul; Dilip (Gurnee, IL)
Assignee: Abbott Laboratories (Abbott Park, IL)
Application Number:09/347,077
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 28th percentile
Forward Citations: 1st percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Abbvie
KALETRA
lopinavir; ritonavir
CAPSULE;ORAL021226-001Sep 15, 2000DISCNNo6,458,818*PED► subscribeY
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Non-Orange Book Patents for Patent: 6,458,818

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
6,521,651 Pharmaceutical composition► subscribe
6,232,333 Pharmaceutical composition► 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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