Cassidy Wants Info on Orange Book Listing Requirements

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Sen. Bill Cassidy (R-LA) is asking FDA to explain why it has failed to provide clarity to drug manufacturers on properly listing their products’ patents in the Orange Book. In a 9/30 letter to FDA commissioner Robert Califf, Cassidy says that for decades, brand and generic drug manufacturers have struggled with how to list patents for the device parts of drug/device combination products in the Orange Book.

“Despite Congress’ clear charge to FDA to set the rules for listing patents in the Orange Book, FDA has been absent,” Cassidy writes. “The agency has refused to provide needed clarity on listing patents for drug/device combination products…. Meanwhile, the Federal Trade Commission (FTC), with FDA’s apparent encouragement, has filled the vacuum left by FDA. FTC has encroached on FDA’s jurisdiction by policing Orange Book listings under antitrust law…. FDA’s continued silence on this issue is untenable, and patients ultimately stand to benefit through clarity on these requirements.”

Cassidy asks for answers to these questions:

  • the status of any work product from an FDA multidisciplinary working group on patent listing created in 1/2022;
  • the cumulative result of FDA efforts through the working group and the solicitation of comments through a public docket;
  • FDA’s stand on the need to provide more clarity about the listing of patents for drug/device combination products and why the agency has failed to clarify through some means the scope of patents that must be listed;
  • the pros and cons of listing patents related to the device constituent of drug/device combination products;
  • FTC’s actions related to Orange Book patent listings;
  • whether a 30-month stay for a drug has ever hinged on a patent for a device constituent of a drug/device combination product and details of any such situation;
  • how often (with example details) FDA has granted tentative approval to an ANDA where the sole obstacle to full approval was a patent for a device constituent of a drug/device combination product;
  • if FDA has remained silent due to negative unintended consequences that could come from restricting patent listings, why it has encouraged FTC to take enforcement action; and
  • whether Congress should amend the Federal Food, Drug, and Cosmetic Act to clarify the patent listing requirements.

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