In OpenAI MDL, Judge Stein strikes Tuhin Chakrabarty “dilution” paper and Michael Lasinski Supplemental Report based on it

Judge Sidney Stein granted OpenAI and Microsoft's motion to strike the Supplemental Report of expert Michael Lasinski and to preclude Class Plaintiffs from citing or relying on the paper by their expert Dr. Tuhin Chakrabarty, "Generative AI Floods and Dilutes the Market for Books," in the OpenAI MDL on October 7, 2026. The motion was granted without opposition after the Plaintiffs declined to oppose it, per the order citing Dkt. Nos. 2045 and 2087.

In OpenAI MDL, Judge Stein strikes Tuhin Chakrabarty “dilution” paper and Michael Lasinski Supplemental Report based on it – Chat GPT Is Eating the World In OpenAI MDL, Judge Stein strikes Tuhin Chakrabarty “dilution” paper and Michael Lasinski Supplemental Report based on it October 7, 2026 In a short order, Judge Sidney Stein granted OpenAI’s motion to strike the paper of Dr. Tuhin Chakrabarty on the theory of “dilution” and the Supplemental Report of expert Michael Lasinski based on the paper that Plaintiffs had submitted. Plaintiffs ended up not opposing OpenAI’s motion. Ergo, Judge Stein’s order states: The motion by defendants OpenAI and Microsoft to strike the Lasinski Supplemental Report and to preclude Class Plaintiffs from citing or relying upon the paper by Class Plaintiffs’ expert Dr. Tuhin Chakrabarty entitled, “Generative AI Floods and Dilutes the Market for Books” the “Chakrabarty Paper” is granted without opposition. Dkt. Nos. 2045; 2087.