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Alappat Redux: Support For Functional Language In Software Patent Claims, Andrew Chin
Alappat Redux: Support For Functional Language In Software Patent Claims, Andrew Chin
Faculty Publications
The Federal Circuit has suggested in some recent cases that any algorithm can serve as adequate structural support for a means-plus-function element in a software patent claim under § 112(f). A recent proposal by Mark Lemley fully endorses this proposition and seeks its broader application. The concept of an algorithm, however, is too slippery to serve as the basis for such a rule. In this Article, I argue that this overreliance on the algorithm concept originated in a revisionist gloss on the Federal Circuit's 1994 Alappat decision. Informed by a closer reading of what Alappat actually has to say about …