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Buyers in the patent auction market: Opening the black box of patent acquisitions by non-practicing entities

机译：专利拍卖市场中的买方：打开非执业实体进行专利获取的黑匣子

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摘要

In this paper we conduct an exploratory study on the activity of NPEs as buyers of patents in the auction marketplace. The analyses are based on a comprehensive dataset covering all patent auctions held by Ocean Tomo until the end of 2008, matched with information drawn from patent databases and the USPTO reassignment register. The results indicate that the probability that a traded patent is acquired by a NPE rather than a practicing entity increases in the presence of triadic family members and backward citations, while it decreases in the number of inventors and when the invention represents an extensive technological advance (proxied by the originality index). If we disaggregate the category of NPEs, we find that, with respect to manufacturing buyers, defensive aggregators purchase patents which have, on average, a narrower technological scope, a higher technical merit, a lower number of inventors and a longer residual life. Instead, the super-aggregator Intellectual Ventures (I.V.) assigns a higher value, with respect to practicing firms, to patents that are triadic, have a longer time to expiration, have a lower number of inventors and have a higher number of assignees. Patents purchased by both defensive aggregators and I.V. also report higher values of forward citations and residual life than patents acquired by other NPEs. (C) 2015 Elsevier Inc. All rights reserved.
机译：在本文中，我们对NPE作为拍卖市场中的专利购买者的活动进行了探索性研究。这些分析是基于一个全面的数据集，该数据集涵盖了Ocean Tomo直至2008年底举行的所有专利拍卖，并与从专利数据库和USPTO重新分配登记册中提取的信息相匹配。结果表明，在存在三合会家族成员和向后引证的情况下，由NPE而非实践实体获得交易专利的可能性增加，而发明人数量减少并且当发明代表了广泛的技术进步时（由创意指数代理）。如果我们将NPE的类别进行分类，我们发现，相对于制造业购买者，防御性聚合者购买的专利平均而言具有更窄的技术范围，更高的技术价值，更少的发明人数量和更长的剩余寿命。取而代之的是，相对于执业公司，超级集合商Intelligent Ventures（I.V.）赋予三合一专利，到期时间更长，发明人人数较少且受让人人数较多的专利更高的价值。防御性整合商和I.V.均购买了专利。与其他NPE获得的专利相比，其报告的正向引文和剩余寿命的价值更高。 （C）2015 Elsevier Inc.保留所有权利。

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