This Note examines the history of patentability of abstract ideas and the tests that courts have used to make the determination of whether an invention incorporating an abstract idea is patentable. Part I provides a history of the four seminal cases related to patentable subject matter, as well as some more recent on point decisions. Part II changes focus to the various tests and factors that have been used by the courts, exploring the history of each, discussing the treatment by the Supreme Court, and determining the strengths and weaknesses of each. Based on the discussion in Part II, Part III proposes a new test to supplement the existing machine-or-transformation test.
Joseph H. King,
Software Patentability after Prometheus,
Ga. St. U. L. Rev.
Available at: https://readingroom.law.gsu.edu/gsulr/vol30/iss4/8
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