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Regeneron Pharmaceuticals, Inc.

Petitioner

Celltrion, Inc.

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Celltrion, Inc. v. Regeneron Pharmaceuticals, Inc.

IPR2025-00456 | Patent Trial and Appeal Board

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Filed Jan. 15, 2025

Terminated June 25, 2025

Case Type Inter Partes Review

Status Discretionary Denial

Challenged Patent 16/739,559

Patent No. 11,084,865 assignments

Tech Center 1600

Art Unit 1647

Last Updated: 4 hours ago

Filing Date	#	Filing and Exhibits
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Celltrion, Inc. v. Regeneron Pharmaceuticals, Inc.

IPR2025-00456 | Patent Trial and Appeal Board

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