As to social welfare in patent investment, considering the different impacts ofpatent investment strategies on enterprise values and consumer surplus result indeferring impacts of patent investment decisions on social welfare.
5、针对专利投资中的社会福利问题，考虑到专利技术的研发投资策略不仅影响企业价值还会影响消费者剩余，两种影响通常会呈现出两种不同的效应，从而导致专利研发投资决策对社会福利的不同影响。
参考来源 - 基于期权博弈的专利投资决策研究·2,447,543篇论文数据，部分数据来源于NoteExpress
找到一种植物，[辨别它的确切用途]然后申请专利并制成药物所需要的平均时间是十到十五年，[所以]这是一项长期投资。
Ten to fifteen years is the average time between finding the plant, [identifying its exact use] and patenting it into a drug [so] it is a long-term investment.
2010年的这些排名是基于71个经济和社会指标的指数，如新专利，移动电话用户和风险投资的实用性。
These rankings, for 2010, are based on an index of 71 economic and social indicators, as diverse as new patents, mobile phone subscriptions and availability of venture capital.
首先，公司必须持有对一项新技术的基本专利控制，做到这一点的最佳方法是组织一家信托投资公司，并从发明人手中购买该专利。
First, one had to get control of a basic patent on a new technology, and the best way of doing that was to organize a trust and buy the patent from the inventor.
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