ClassClarify is a software tool designed to aid researchers in using the USPTO's Manual of Classification, the tool examiners use to categorize patents. ClassClarify graphically represents the manual and the relationships amongst the classes, it's like a road map through the vast landscape of prior art. Use it to understand how examiners and industry analysts research prior art, and to perfect your searching skills.
美国专利分类检索帮助软件。
