In Dispute: CLS Bank International v. Alice Corporation | Practical Law
A discussion of the CLS Bank Int'l v. Alice Corp. litigation, where CLS Bank International filed suit against Alice Corporation seeking a declaratory judgment that Alice Corporation's patents for a computerized trading platform are invalid and unenforceable. The key litigated issue is whether claims to computer-implemented inventions are directed to patent eligible subject matter within the meaning of 35 U.S.C. § 101, and what role the abstract ideas exception to patent eligibility plays in the analysis.