June 28, 2010: Supreme Court renderes a decision in Bilski v. Kappos
The Supreme Court affirmed the decision of the CAFC, but rejected the "machine or transformation" test as a sole test of patentability based on an interpretation of the language of §101. Essentially, this decision leaves the door open for business method and software patents.
Link to Decision: http://www.supremecourt.gov/opinions/09pdf/08-964.pdf