1. A method to automatically analyze a patent, the method comprising: receiving a subject patent identifier; retrieving the subject patent corresponding to the subject patent identifier, the subject patent including subject patent text; retrieving at least a part of a file history corresponding to the subject patent; parsing the subject patent text to obtain one or more claims; parsing the one or more claims to obtain one or more claim strings for each claim; parsing the part of the file history to extract one or more file history strings; and determining at least one or more of the file history strings that are associated with one or more of the claim strings according to a predetermined criteria.