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HKW Files Inter Partes Review Petition Challenging Obvious Pharmaceutical Formulation Patent

As part of its growing post-grant review practice, Hill, Kertscher & Wharton, LLP (“HKW”), on behalf of its client, Complex Innovations, LLC, filed its first inter partes review petition directed toward a pharmaceutical composition patent (U.S. Patent Number 7,829,595). HKW’s team, including John North, Jenny Calvert, and Vivek Ganti, with the support of a well-respected pharmaceutical formulation expert, demonstrates through the petition that the challenged patent is invalid because a person of ordinary skill in the art “would have been motivated to add these well-known excipients and would have had no difficulty optimizing through routine experimentation the weight ranges of the [active pharmaceutical ingredient] and excipients identified…”

HKW has developed substantial expertise in contested matters relating to patents and is involved in handling all aspects of IPRs, including, but not limited to, the preparation and filing of petitions, preliminary responses, patent owner responses, replies, depositions, motion practice, and IPR trials.

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