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Serving hundreds of leading biopharmaceutical companies globally:

Moodys
Mallinckrodt
Dow
Medtronic
Johnson and Johnson
Covington
Queensland Health
AstraZeneca
Fish and Richardson

Generated: June 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,521,651

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Which drugs does patent 6,521,651 protect, and when does it expire?

Patent 6,521,651 protects KALETRA and is included in one NDA.

Protection for KALETRA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.
Summary for Patent: 6,521,651
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:09/393,872
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;

Drugs Protected by US Patent 6,521,651

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Abbvie KALETRA lopinavir; ritonavir CAPSULE;ORAL 021226-001 Sep 15, 2000 DISCN No No ➤ Sign Up ➤ Sign Up ➤ Sign Up
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Non-Orange Book US Patents Family Members for Patent 6,521,651

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
6,232,333 Pharmaceutical composition ➤ Sign Up
6,458,818 Pharmaceutical composition ➤ Sign Up
Patent No. Title Estimated Patent Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Deloitte
Medtronic
QuintilesIMS
US Department of Justice
Fish and Richardson
Cipla
Dow
Johnson and Johnson
Baxter

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