Patent protection and innovation over 150 years
By: Josh Lerner.
Contributors: National Bureau of Economic Research.
Series: NBER working paper series -- no. 8977; Working paper series (National Bureau of Economic Research) -- working paper no. 8977.
Publisher: National Bureau of Economic Research
Published: 2002
Place of publication: Cambridge, MA
Language: eng
Number of pages: 31
Subjects: Patent law and legislation -- History.; Patent law and legislation -- Great Britain -- History.; Technological innovations.; Technological innovations -- Great Britain.
Notes: "June 2002."

JEL no. O31, O34.

Includes bibliographical references (p. 29-31).

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Electronic version available via the Internet at the NBER World Wide Web site.