Alice Corp not patentable subject matter in the USA

The US Supreme Court has unanimously ruled that Alice Corporation’s claim to patent a computer-implemented method and system for exchanging obligations is not patentable subject matter under US law:

Patently-O summary here.

Another take here (lid dip: Matt Bromley).

Alice Corporation v CLS Bank International (pdf).

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A barrister practising mainly in Australian patents, trade marks, copyright and other IP law; lecturer and contributing author to LexisNexis' Copyright & Designs and Patents looseleaf services