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Details for Patent: 8,227,490

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Patent 8,227,490 protects LOPROX and is included in one NDA. There has been one Paragraph IV challenge on Loprox.

This patent has forty-one patent family members in thirty-three countries.

Summary for Patent: 8,227,490

Title:Use of 1-hydroxy-2-pyridones for the treatment of seborrheic dermatitis
Abstract: Compounds of the formula (I) are disclosed and are suitable for the treatment of seborrheic dermatitis. ##STR00001##
Inventor(s): Bohn; Manfred (Hofheim, DE), Kraemer; Karl Theodor (Langen, DE), Markus; Astrid (Liederbach, DE)
Assignee: Medicis Pharmaceutical Corporation (Scottsdale, AZ)
Application Number:13/177,710
Patent Claim Types:
see list of patent claims
Use; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Basic materials chemistry
Back Citations: 5th 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
Medicis
LOPROX
ciclopirox
SHAMPOO;TOPICAL021159-001Feb 28, 2003RXYes8,227,490► subscribe TREATMENT OF SEBORRHEIC DERMATITIS
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Foreign Priority and PCT Information for Patent: 8,227,490

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany196 39 818Sep 27, 1996

Non-Orange Book Patents for Patent: 8,227,490

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
7,981,909Use of 1-hydroxy-2-pyridones for the treatment of seborrheic dermatitis► 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: 8,227,490

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
South Korea100494207► subscribe
Morocco24333► subscribe
Malaysia125674► 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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