@article{13399,
      recid = {13399},
      author = {Cockburn, Iain M., and Kortum, Samue. and Stern, Scot.},
      title = {Are all patent examiners equal? The impact of  characteristics on patent statistics and litigation  outcomes /},
      pages = {42 pages ;},
      note = {No. 8980 ; NBER Working Paper Series ; 2002.},
      url = {http://tind.wipo.int/record/13399},
}