Prospects for improving U.S. patent quality via post-grant opposition
By: Bronwyn H. Hall ... [et al.]
Contributors: National Bureau of Economic Research.
Series: NBER working paper series -- no. 9731.; Working paper series (National Bureau of Economic Research) -- working paper no. 9731.
Publisher: National Bureau of Economic Research
Published: 2003
Place of publication: Cambridge, MA
Language: eng
Number of pages: 19
Subjects: Patent searching; Patent law and legislation; Patents; Quality control
Notes: "May 2003."

Includes bibliographical references (p. 17-19).

Also available in PDF from the NBER world wide web site (www.nber.org).