?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Cremers&rft.aufirst=Katrin&rft.volume=vol.+131&rft.date=November+2016&rft.issn=0167-2681&rft.atitle=Invalid+but+infringed%3F+An+analysis+of+the+bifurcated+patent+litigation+system&rft.title=Journal+of+Economic+Behavior+and+Organization&rft.pages=218-242&rft.genre=article