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Sankyo Sues Nissin Over Mevalotin Patent

Law360 (April 20, 2004, 12:00 AM EDT) -- Japanese drug maker Sankyo has filed a lawsuit against domestic rival Nissin Pharmaceutical over its flagship hyperlipidaemia drug Mevalotin (pravastatin), which Sankyo developed after discovering the world’s first cholesterol inhibitor.

Sankyo’s action follows Nissin’s recent launch of a generic version of the product, called Mevarich, following the expiration of Mevalotin's patent in October 2002.

With the main patent expired, Sankyo is suing Nissin based on a patent for the technology to keep Mevalotin tablets stable.

Around 30 companies are currently developing generic versions of Mevalotin with...
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