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According to the Derwent World Patents Index , which we at Thomson Reuters publish, China now issues about 30,000 patents annually, helping to keep the country's 150,000 lawyers busy. Derwent and Derwent World Patents Index are registered trademarks of Thomson Scientific Limited. 0 integrates essential content from Derwent Chemistry Resource--the companion file of chemical structures that is cross searchable with the chemical information within Derwent World Patents Index. |
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