{"version":"1.0","type":"link","title":"What are the four fences around the doctrine of equivalents?","url":"https://uplaw.us/documents/question/what-are-the-four-fences-around-the-doctrine-of-equivalents-q38","provider_name":"UpLaw","provider_url":"https://uplaw.us/","author_name":"United States","thumbnail_url":"https://uplaw.us/og/a7293b1d48364383.png","thumbnail_width":1200,"thumbnail_height":630}