(patent infringement case brought by plaintiff against farmer for planting progeny of genetically altered seeds covered by U.S. patents; federal district court granted summary judgment in favor of plaintiff and circuit court affirmed; defendant was one of plaintiff’s licensed seed producers and defendant executed technology agreement restricting use of seed; plaintiff discovered defendant’s second crop seeds (progeny of commodity seeds) contained patented Roundup Ready technology; technology agreement specified genetics could only be obtained from Monsanto or licensed dealer; plaintiff argued patent exhaustion, but court found no exemptions for research or saving seed under utility patent).