Antitrust & Competition Policy Blog

Editor: D. Daniel Sokol
University of Florida
Levin College of Law

Friday, May 17, 2019

Pay-for-delay with Follow-on Products

Jorge Lemus, University Of Illinois Urbana Champaign and Emil Temnyalov, University of Technology Sydney, Economics Department address Pay-for-delay with Follow-on Products.

ABSTRACT: We study pay-for-delay agreements when the patent holder has the option to introduce follow-on products. We derive novel implications for antitrust regulation, litigation, and welfare. We show that ignoring follow-on products biases the inference about patent strength made from observing pay-for-delay agreements, which antitrust authorities use to determine whether the agreement is anti-competitive (the “Actavis inference”). With follow-on products, settlements in which reverse payments are allowed involve a lower transfer from the brand firm to the generic, compared to the setting without follow-on products. If reverse payments are forbidden, and firms can bargain over the generic’s entry date, follow-on products tend to push the parties to settle on an earlier date of entry than they otherwise would agree on without follow-on products. We show that under pure-delay settlements, litigation may arise in equilibrium, providing a novel explanation of equilibrium litigation.

https://lawprofessors.typepad.com/antitrustprof_blog/2019/05/pay-for-delay-with-follow-on-products.html

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