The impacts of the rise of Paragraph IV challenges on startup alliance formation and firm value in the pharmaceutical industry.

@article{Filson2010TheIO,
  title={The impacts of the rise of Paragraph IV challenges on startup alliance formation and firm value in the pharmaceutical industry.},
  author={Darren Filson and Ahmed Oweis},
  journal={Journal of health economics},
  year={2010},
  volume={29 4},
  pages={
          575-84
        }
}
Court decisions in 1998 encouraged generic producers to pursue Paragraph IV patent challenges. A follow-up decision in 2000 marked the first successful challenge involving a blockbuster and brought further attention to this pathway for generic entry. We consider the impacts of these decisions on R&D-based startups, and we focus on the propensity to form alliances as a primary channel of impact. We find substantial negative impacts on alliance formation and firm value, and only the first event's… CONTINUE READING

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