In CLS Bank v Alice (D.D.C. 2011), the District Court for the District of Columbia found four patents (U.S. Patent No. 7149720; U.S. Patent No. 6912510; U.S. Patent No. 5970479; and U.S. Patent No. 7725375) owned by Alice Corporation invalid under 35 U.S.C. Sec. 101. In short, the district court found that the “heart” of the patented invention in suit, as claimed in its various forms (including method claims, system claims and Beauregard claims) was a business method
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