 For example, Monsanto's typical bailment license (covering transfer of the seeds themselves) forbids saving seeds, and also requires purchasers to sign a separate patent license agreement.Corporations say that they need to prevent seed piracy, to fulfill financial obligations to shareholders, and to finance further development.DuPont spent approximately half its $2 billion research and development (R&D) budget on agriculture in 2011 while Monsanto spends 9–10% of sales on R&D.