Corteva is committed to bringing new technologies to the marketplace in a responsible manner and promotes practicing responsible Insect Resistance Management, Herbicide Resistance Management and Grain Marketing decisions.

Technology Use Agreement and Product Patents

As a trait developer, Corteva helps ensure our traits are grown and marketed in a way that meets all regulatory requirements. Growers must sign a Technology Use Agreement before obtaining, planting, or growing seed containing Corteva traits. Sign the Technology Use Agreement below to cover all Corteva traits, including the Enlist™ trait. The Update Notification, which communicates important information to you about new and existing Corteva Sourced Technologies as well as any new or modified terms in the Technology Use Agreement, is incorporated into the Technology Use Agreement.

Three ways to sign a Corteva TUA:

  • Adobe SignConvenient and secure way to sign electronically. Click here to sign.  Growers will receive a follow-up email to confirm their email address, then a signed copy of the Corteva TUA will be sent to the grower.
  • AgCelerateCorteva TUA can be signed online at with direct access to a TUA Portal where you can manage updates easily online.  License numbers are issued immediately when a Corteva TUA is signed on AgCelerate.
  • PaperFor growers who prefer paper submissions, those who may have internet accessibility issues and those who do not have an email address. Click here to download the paper copy.

HarvXtra® Alfalfa Seed and Feed Use Agreement

Before purchasing HarvXtra® Alfalfa with Roundup Ready® Technology (HvXRR), both the grower and the seed dealer must sign a Seed and Feed Use Agreement. Once signed, the agreement must be sent to

Product Patents



Contact your seed seller

Product Use Guides

Stewardship is achieved by adherence to the Technology Use Agreement, Product Use Guides, and product labels. The Product Use Guides set forth the requirements for growing Corteva trait technologies,which include adhering to applicable Insect Resistance Management and Herbicide Resistant Management practices. Complying with the terms in both the Product Use Guides and the Corteva Technology Use Agreement is essential to maintaining grower access and use of trait technologies.

Product Use Guides:

China Safety Certificate

Corteva Agriscience helps growers understand and meet their grain and marketing responsibilities. The Chinese government requires a comprehensive safety assessment for all imported biotech events. Additionally, in order to obtain import approval for grain or byproducts from biotech crops, grain handlers must submit a Safety Certificate obtained from the biotech trait developer.

To obtain a China Safety Certificate from Corteva Agriscience:

  1. Download and save the pdf to your computer before completing it. From your computer, open and complete the attached Agreement: 
  2. Save the completed, signed Agreement and upload the document to: Corteva China Safety Certificate Application.
    • Your request for China Safety Certificate(s) will be processed promptly and acknowledged within 2-4 business days.

  3. Download the required Registration Form for Traders, depending upon country of export:
  4.  Crop  Event  Expires  Country of Export
     Corn  DP4114   Dec. 20, 2021  USA
     Corn  TC1507  Dec. 20, 2021  USA
     Corn  DAS-59122-7  Dec. 20, 2021  USA
     Corn  DAS-40278-9  June 11, 2025  USA
     Soybean   DAS-44406-6  Dec. 20, 2021  USA
     Soybean   DAS-81419-2  Dec. 2, 2022  USA
     Soybean  DP-305423-1     Dec. 2, 2022  USA
     Soybean  DP-305423-1 X GTS 40-3-2  Dec. 2, 2022  USA