Esperion Reaches Patent Litigation Settlement With Hetero USA Over NEXLETOL

04 June 2025 | Wednesday | News

Under the agreement, Hetero USA will delay U.S. market entry of its generic NEXLETOL until at least April 19, 2040, while litigation against other ANDA filers continues.
Picture Courtesy | Public Domain

Picture Courtesy | Public Domain

Esperion  announced that it has entered into a settlement agreement with Hetero USA, Inc. and its affiliates Hetero Labs Limited, Hetero Labs Limited Unit-V, and Honour Lab Limited (together, Hetero USA). This agreement resolves the patent litigation brought by Esperion against Hetero USA in response to Hetero USA’ s Abbreviated New Drug Application (ANDA) seeking approval to market a generic version of NEXLETOL prior to the expiration of the applicable patents. Pursuant to the agreement, Hetero USA has agreed not to market a generic version of NEXLETOL in the United States prior to April 19, 2040, unless certain limited circumstances customarily included in these types of agreements occur.

The pending patent litigation against the remaining defendants (Accord Healthcare Inc; Alkem Laboratories Ltd.; Aurobindo Pharma Limited (along with an affiliate); Dr. Reddy’s Laboratories Inc. (along with an affiliate); MSN Pharmaceuticals Inc. (along with an affiliate); Renata Limited; and Sandoz Inc.) is ongoing, and there can be no assurance whether such ongoing patent litigation will allow a generic version of NEXLETOL and/or NEXLIZET, as applicable, to be marketed in the U.S. prior to April 19, 2040.

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