By comparing domestic and foreign patent protection in the drug registration, Chinas drug patent protection further improvement recommendations are Provided.

通过对比国内外药品注册中的专利保护情况，对我国的药品专利保护的进一步完善提出建议。

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For a multinational drug company to go forward, it needs patent protection in the U.S. as well.

一家跨国医药公司要继续的话也需要有美国的专利保护。

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Lifetime sales of Pfizer's cholesterol-lowering drug Lipitor (atorvastatin), the world's top-selling prescription medicine. It loses patent protection from 30 November.

辉瑞制药的降血脂药立普妥(阿活他汀)，世界上销售最好的处方药，将在11月30日失支专利保护。

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When a drug loses patent protection, competition from cheaper generic products developed by competitors inevitably eats into these businesses.

FORBES: Pfizer Q4 Earnings Preview: Pain From Patent Expirations To Continue

Such a medicine might clear plaque from the arteries and help extend the Lipitor franchise past 2011, when the big-selling drug loses patent protection.

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Not only could the combination pill be a blockbuster in its own right, but it could preserve the Lipitor franchise for another decade after the drug loses patent protection, probably in 2010.

FORBES: Magazine Article