In a CBM petition filed by petitioners PNC Bank, U.S. Bank, and Bancorp, the petitioners sought review of U.S. Patent No. 7,631,191, which claims a method of authenticating a web page. The petition challenged the validity of claims under Section 101, 103 and 112.
After finding that the ‘191 patent was a covered business method patent, the Board turned to the challenge under Section 101. Reciting the well-known categories of patentable subject matter under Section 101, including “process, machine, method of manufacture, or composition of matter,” the Board further explained that “[t]here are, however, three limited, judicially-created exceptions to the broad categories of patent-eligible subject in § 101: laws of nature; natural phenomena; and abstract ideas. Mayo Collaborative Servs. V. Prometheus Labs., Inc., 132 S. Ct. 1289, 1293 (2012).” Citing Bilski v. Kappos, 130 S. Ct. 3218, 3222, the Board explained that this test for patent-eligible under § 101 is “not amenable to bright-line categorical rules.”
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