World patent is the key part of global patent documents.

世界专利是全球专利文献的重要组成部分。

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Present status of the world patent system are outlined. General measures for patent life extension of new chemical entity are illustrated.

介绍了各国专利制度的现状，并举例说明延长新化合物专利期限的常用方法。

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The country’s patent office leads the world in patent applications, more than 800, 000 of which were filed in 2008.

该国的专利局在专利申请中引领着世界，其2008年的专利申请超过80万件。

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A patent forbids others from copying an invention and makes the invention valuable in the world of business.

VOA: special.2009.05.13

Until its patent expired in 2008, it was ranked 20th among the 100 best selling drugs in the world.

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With all this free trade and trade barriers falling, it's really hard for an individual like me with a global-scope patent to file all over the world and get patent protection everywhere, and having to go overseas to fight infringement.

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London, by contrast, has some of the least-patent friendly courts in the world, where alleged patent infringers won 86% of the time between 2006 and 2009.

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The news is a setback for Pfizer as it aims to build a large arsenal of anti-cancer medicines to help it grow earnings before big sellers like Lipitor, the top-selling medicine in the world, lose patent protection in coming years.

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