RAFI examines plant utility patents granted by the US Patent and Trademark Office from 1985 through mid-1995. Utility plant patenting is a threat to world food security; exceedingly broad patents on biological materials and the processes used to manipulate them are "locking up" new plant biotechnologies in the hands of a small number of corporations.
Sixty-Five Years of the U.S. Plant Patent Act (PPA)
Submitted on 01 December 1995
Has the PPA Benefitted Society? The PPA's Relevance for the South.