The crossing - license and patent pool are necessary in the knowledge - based economy century for the situation of the patents thicket and the uncertainty for infringement on other patents when a new technology patent is used for production 知识经济下，众多专利相互交叉的“专利丛”状况以及由此产生的新技术专利产业推行中的侵权诉讼风险的不确定性使得专利池许可和专利权交叉许可模式有其存在的必要性。
