U.S. Code / Title 7 — Agriculture / Chapter 57—Plant Variety Protection / Subchapter Iii—Plant Variety Protection and RightsTitle 7PartPart K—Infringement of Plant Variety ProtectionContents§ 2541. Infringement of plant variety protection§ 2542. Grandfather clause§ 2543. Right to save seed; crop exemption§ 2544. Research exemption§ 2545. Intermediary exemption