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Biologics Sanofi-Aventis

Goodwin

Sanofi Files a Second Petition for IPR of Immunex’s Dupixent Patent

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Sanofi-Aventis has filed a petition for IPR of Immunex Corporation’s U.S. Patent 8,679,487, directed to isolated human antibodies that compete with a reference antibody for binding to human interleukin-4 (IL-4) receptor. The...more

Goodwin

“Cabilly” and Other Foundational Patents in Biologic Drug Production

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As we previously reported, over the past year several petitions requesting Inter Partes Review (IPR) of patents that claim foundational inventions for biologic drug production were filed. Here we discuss the scope of two of...more

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