從技術(shù)過程看專利制度對技術(shù)發(fā)展的負面效應(yīng)(完整版)
【正文】 ization invest to this kind of poor outes of one HIV vaccine trial in 2023 prompted reductions in mercial investment and redirection of government funding toward more basic research. Bill Melinda Gates foundation donated 287 million USD to found CAVD （ The Collaboration for AIDS Vaccine Discovery） in July 2023. One reason of the noninvestment is technological difficulty in discovering, while the other important reason being failures of interest expected which are ascertained by patent system. Technological development is set back in the first stage. Human beings find ways to treat AIDS. However, only a few rich people can afford it. To most patient living in subsahara countries, they can only suffer from AIDS until dead. Patents of technology cause high prices and hold back of technological dissemination. Technological development is set back in the fourth stage: technology used. Case Process
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