3. The method of claim 1 , further comprising automatically ranking the prior art document based on a degree of differentiation between the first patent matter and the prior art document.
3. The method of claim 1 , further comprising automatically ranking the prior art document based on a degree of differentiation between the first patent matter and the prior art document. 6. The method of claim 3 , further comprising visually presenting the ranking of the prior art document in the user interface.