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Prospects for Improving U.S. Patent Quality via Post-grant Opposition

Author

Listed:
  • Bronwyn H. Hall

    (University of California, Berkeley)

  • Stuart J. H. Graham

    (University of California, Berkeley)

  • Dietmar Harhoff

    (Ludwig Maximilians Universitat, Munchen)

  • David C. Mowery

    (University of California, Berkeley)

Abstract

The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and raised concerns that in some cases patents of insufficient quality or with inadequate search of prior art are being issued. At the same time patent litigation and its costs are rising. This paper explores the potential of a post- grant review process modeled on the European opposition system to improve patent quality, reveal overlooked prior art, and reduce subsequent litigation. We argue that the welfare gains to such a system may be substantial.

Suggested Citation

  • Bronwyn H. Hall & Stuart J. H. Graham & Dietmar Harhoff & David C. Mowery, 2004. "Prospects for Improving U.S. Patent Quality via Post-grant Opposition," Law and Economics 0401002, University Library of Munich, Germany.
    • Handle: RePEc:wpa:wuwple:0401002
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    References listed on IDEAS

    as
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    More about this item

    JEL classification:

    • K41 - Law and Economics - - Legal Procedure, the Legal System, and Illegal Behavior - - - Litigation Process
    • L00 - Industrial Organization - - General - - - General
    • L20 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - General

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