And a quarter of the applications handled by the USPTO contain no references to prior art, adds Mr Dudas, while another quarter contain more than 25 references.
USPTO处理的专利申请中有四分之一没有提及先前技术，Dudas先生补充说，同时有四分之一则包含了25个以上的先前技术参考。
To complicate matters further, says Jon Dudas, the director of the USPTO, patent applications have become more complex as well as more numerous: some applications contain thousands of claims.
USPTO的主管JonDudas说，把事情弄的更糟的是，专利申请案也变得千头万绪：一些申请案中包含了上千个声明。
To complicate matters further, says Jon Dudas, the director of the USPTO, patent applications have become more complex as well as more numerous: some applications contain thousands of claims.
USPTO的主管JonDudas说，把事情弄的更糟的是，专利申请案也变得千头万绪：一些申请案中包含了上千个声明。
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