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The Questionable Origins Of The Copyright Infringement Analysis, Shyamkrishna Balganesh

All Faculty Scholarship

Central to modern copyright law is its test for determining infringement, famously developed by Judge Jerome Frank in the landmark case of Arnstein v. Porter. The “Arnstein test,” which courts continue to apply, demands that the analysis be divided into two components, actual copying — the question whether the defendant did in fact copy, and improper appropriation — the question whether such copying, if it did exist, was unlawful. Somewhat counter-intuitively though, the test treats both components as pure questions of fact, requiring that even the question of improper appropriation go to a jury. This jury-centric approach continues to influence …