Is the Supreme Court’s Patentable Subject Matter Test Overly Ambiguous? An Empirical Test

In four cases handed down between 2010 and 2014, the Supreme Court articulated a new two-step patent eligibility test that drastically reduced the scope of patent protection for software inventions. Scholars have described the test as “impossible to administer in a coherent, consistent way,” “a foggy standard,” “too philosophical and policy based to be administrable,” a “crisis of confusion,” “rife with indeterminacy,” and one that “forces lower courts to engage in mental gymnastics.”
This Article provides the first empirical test of these assertions. In particular, 231 patent attorneys predicted how courts would rule on the subject matter eligibility of litigated software patent claims, and the results were compared with the actual district court rulings. Among other findings, the results suggest that while the test is certainly not a beacon of absolute clarity, it is also not as amorphous as many commentators have suggested.

Jason Reinecke

SSRN

July 2, 2019

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