NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Legal Monopoly: Patents and Antitrust Litigation in U.S. Manufacturing, 1970-1998

B. Zorina Khan

NBER Working Paper No. 7068
Issued in April 1999
NBER Program(s):Productivity, Innovation, and Entrepreneurship, Industrial Organization

This paper presents an empirical analysis of the relationship between patenting, innovation, and federal antitrust enforcement towards firms in the manufacturing sector. I examine whether the likelihood of antitrust litigation is influenced by patent histories and R&D expenditures, after controlling for other firm-specific variables including size and likelihood of antitrust charges for medium and large firms. Smaller firms with faster sales growth are also more likely to be charged with antitrust violations.

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Document Object Identifier (DOI): 10.3386/w7068

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