Prospects for Improving U.S. Patent Quality via Post-grant Opposition
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The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with inadequate search of prior art are being issued. At the same time patent litigation and its costs are
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美国国家经济研究局创建时间：
2003-05-01
