Monsanto vs Percy Schmeiser
Percy Schmeiser fought Monsanto’s claims that he had violated their patent on GE canola when the company’s seed blew into his field from a passing truck. The case went all the way to the Supreme Court of Canada.
More info:
Monsanto vs. Percy Schmeiser
Real-life David and Goliath - CBC Radio, May 21, 2004
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Percy and his wife Louise are currently suing Monsanto in small claims court for contaminating Louise’s organic garden.