Particular machine or transformation

The particular machine or transformation test refers to the test described by the 2008 ruling of the USA's CAFC in the case in re Bilski.

A claimed process is surely patent-eligible under § 101 if: (1) it is tied to a particular machine or apparatus, or (2) it transforms a particular article into a different state or thing. See Benson, 409 U.S. at 70 ("Transformation and reduction of an article 'to a different state or thing' is the clue to the patentability of a process claim that does not include particular machines. Diehr, 450 U.S. at 192 (quoted in the CAFC's Bilski ruling)

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External links

• Wikipedia: Machine-or-transformation test
• http://www.cafc.uscourts.gov/opinions/07-1130.pdf - the 2008 CAFC Bilsk ruling
• How The “Machine-Or-Transformation” Test In Bilski Is Failing

Court rulings based on the test

• http://legalpad.typepad.com/my_weblog/2009/12/while-supremes-ponder-bilski-is-still-slayin-at-the-local-level.html