title: The evolving landscape of plant varietal rights in the United States, 1930-2008.
authors.affiliation: Department of Applied Economics, University of Minnesota, Minneapolis, Minnesota, USA. ppardey@umn.edu
authors.forename: Philip
authors.initials: P
authors.lastname: Pardey
authors.forename: Bonwoo
authors.initials: B
authors.lastname: Koo
authors.forename: Jennifer
authors.initials: J
authors.lastname: Drew
authors.forename: Jeffrey
authors.initials: J
authors.lastname: Horwich
authors.forename: Carol
authors.initials: C
authors.lastname: Nottenburg
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D010330:Patents as Topic; D010944:Plants / Q000145:classification / Q000235:genetics; D014481:United States