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Judge strikes the authors' supplemental expert report and bars them from relying on a market-dilution study in the OpenAI case
In a one-paragraph order (Dkt. 2090), Judge Sidney H. Stein granted the motion by OpenAI and Microsoft to strike the supplemental report of the class plaintiffs' expert Michael Lasinski and to preclude the class plaintiffs from citing or relying on the paper "Generative AI Floods and Dilutes the Market for Books" by their expert Dr. Tuhin Chakrabarty. The order says the motion is granted "without opposition," citing the plaintiffs' Oct. 2 notice that they would no longer rely on the paper. The order applies to the Authors Guild and Alter class cases. It does not address the defendants' contention, which the plaintiffs and the paper's authors denied in sworn declarations, that plaintiffs' counsel funded the paper, and it does not rule on any other market-harm evidence.
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