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CLS v Alice decision may be the “death” of US business method patents

Alli Pyrah, New York

The validity of hundreds of thousands of business method patents is uncertain after the Federal Circuit narrowly upheld the district court’s decision in CLS v Alice that four patents are invalid under Section 101

In a 135-page decision published on Friday by a strongly divided court, the 10 judges on the en banc panel issued seven conflicting opinions on whether Alice’s claims relating to a computerised trading system are patent-eligible.

Seven of the...

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