Patent validation at the country level - the role of fees and translation costs /
Harhoff, Dietmar.
Hoisl, Karin.
Reichi, Bettina.
Van Potteisberghe de la Potterie, Bruno.
Centre for Economic Policy Research (Great Britain)
London : Centre for Economic Policy Research,
2007.
Caption title.
"Industrial organization"--Cover.
"November 2007."
Includes bibliographical references.