Abstract

http://ssrn.com/abstract=118149
 
 

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Empirical Evidence on the Validity of Litigated Patents


John R. Allison


University of Texas - McCombs School of Busniess

Mark A. Lemley


Stanford Law School

July 1, 1998

American Intellectual Property Law Association (AIPLA) Quarterly Journal, Vol. 26, p. 185, 1998

Abstract:     
We have studied all final patent validity decisions issued by the federal courts between 1989 and 1996 reported in United States Patents Quarterly. We test this dataset to determine a number of facts of interest to scholars and patent litigators, including the rate at which patents are held valid, the subject matter of the patents litigated, the rate at which judges and juries hold patents valid, the most common grounds for invalidity, how validity decisions fare on appeal, and numerous other hypotheses.

Number of Pages in PDF File: 84

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Date posted: August 28, 1998 ; Last revised: June 1, 2014

Suggested Citation

Allison, John R. and Lemley, Mark A., Empirical Evidence on the Validity of Litigated Patents (July 1, 1998). American Intellectual Property Law Association (AIPLA) Quarterly Journal, Vol. 26, p. 185, 1998. Available at SSRN: http://ssrn.com/abstract=118149 or http://dx.doi.org/10.2139/ssrn.118149

Contact Information

John R. Allison
University of Texas - McCombs School of Busniess ( email )
CBA 5.202
University of Texas at Austin
Austin, TX 78712
United States
Mark A. Lemley (Contact Author)
Stanford Law School ( email )
559 Nathan Abbott Way
Stanford, CA 94305-8610
United States
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Citations:  28
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