Defensive Publishing by a Leading Firm
Justin P. Johnson
Cornell University - Samuel Curtis Johnson Graduate School of Management
October 8, 2004
I consider the use of defensive publishing by a firm with a patentable innovation in hand. Such publishing discloses valuable technical information to rivals and foregoes the publisher's right to exclude, but also prevents rivals from patenting. My analysis identifies why firms choose defensive publishing over patenting and trade secrecy. I present data suggesting that defensive publishing has become more common over the last five years, that the composition of firms using it is changing, and that it has emerged especially as a response to the fear of bad patents being issued in the area of software and business methods. These data are consistent with my theoretical results.
Number of Pages in PDF File: 28
Keywords: Defensive publishing, bad patents, imperfect patent protection, software and business-method patents, sharing intellectual propertyworking papers series
Date posted: October 20, 2004
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