26. A computer readable medium containing executable code for carrying out a method comprising: receiving text from the patent document, the text comprising a preamble and at least one substantive claim limitation, said at least one first substantive claim limitation recites a limitation to an invention; segmenting the preamble into at least one title phrase and at least one attribute phrase, wherein the attribute phrase comprises at least one second substantive claim limitation; and identifying an opening and a closing of the at least one substantive claim limitation to extract the substantive claim limitation from a remainder of the text; and displaying the preamble and the at least one first substantive claim limitation in a position indicating hierarchical subordination to the preamble.
26. A computer readable medium containing executable code for carrying out a method comprising: receiving text from the patent document, the text comprising a preamble and at least one substantive claim limitation, said at least one first substantive claim limitation recites a limitation to an invention; segmenting the preamble into at least one title phrase and at least one attribute phrase, wherein the attribute phrase comprises at least one second substantive claim limitation; and identifying an opening and a closing of the at least one substantive claim limitation to extract the substantive claim limitation from a remainder of the text; and displaying the preamble and the at least one first substantive claim limitation in a position indicating hierarchical subordination to the preamble. 28. The computer readable medium of claim 26 , wherein the identifying the opening comprises identifying a transitional phrase preceding the at least one first substantive claim limitation within the text.