NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Does it Matter Who Has the Right to Patent: First-to-invent or First-to-file? Lessons From Canada

Shih-tse Lo, Dhanoos Sutthiphisal

NBER Working Paper No. 14926
Issued in April 2009

---- Acknowledgements -----

We are grateful to the late Kenneth Sokoloff for sharing with us his wisdom on the economics of invention. He has been the source of our inspiration on the subject matter. We have also benefited from comments offered by Leah Brooks, Jenifer Hunt, B. Zorina Khan, Naomi Lamoreaux, Mary MacKinnon, Daniel Parent and Jean-Laurent Rosenthal, as well as seminar participants at McGill and Toronto. We would like to thank Lingni Boon, Margaret Gales, Murlinda Kachuri, Mari-Ann Larsen-Volay and William Oman for their research assistance, as well as Yun Xia for his programming assistance in the CIPO data collection. Sutthiphisal acknowledges financial supports from Fonds québécois de la recherche sur la société et la culture (FQRSC) and the Social Sciences and Humanities Research Council of Canada (SSHRC). The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.

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