Disclosed are various embodiments for patent analysis applications. A computing device may be directed to parse an electronic version of a patent document having a detailed description, a claims section, and at least one drawing. In various embodiments, parsing the electronic version of the patent document may include applying an OCR process to the electronic document, obtaining a list of claim terms used in the claims section, identifying instances of the claim terms used in the detailed description, identifying a reference numeral corresponding to the claim terms from the detailed description, and identifying portions of the drawing that includes the reference numeral. In response to user interaction with a claim term, a dialog may be shown proximate to the claim term, where the dialog includes a portion of the detailed description that includes the claim term and/or the drawing that comprises the reference numeral corresponding to the claim term.