Discussion paper DP13969 Bargaining Failure and Freedom to Operate: Re-evaluating the Effect of Patents on Cumulative Innovation Fabian Gaessler Dietmar Harhoff Stefan Sorg 30 Aug 2019 Industrial Organization K41 L24 O31 O32 O33 O34
Discussion paper DP9468 Conflict Resolution, Public Goods and Patent Thickets Dietmar Harhoff Georg von Graevenitz Stefan Wagner 12 May 2013 Industrial Organization L13 L20 O34
Discussion paper DP5680 Can Post-Grant Reviews Improve Patent System Design? A Twin Study of US and European Patents Dietmar Harhoff Stuart J.H. Graham 12 May 2006 Industrial Organization K11 K41 L10