Corteva and Inari Settle Seed Patent Dispute Mid-Trial in Delaware, The $1.3 Billion Was Damages Sought, Not the Settlement Amount

Corteva Agriscience and Inari Agriculture have settled a major seed-technology lawsuit that was already in trial in the U.S. District Court for the District of Delaware. The case involved patented corn and soybean technology, plant variety protection, seed-depository materials and claims of patent infringement, breach of contract and civil conversion.

Corteva was seeking more than $1.3 billion in damages. That figure is not the settlement amount. The financial terms are confidential.

On September 28, 2026, Corteva and Inari announced a confidential settlement agreement. Under the disclosed terms, Inari agreed to destroy Corteva biological materials it accessed from seed depositories and material developed from those deposits, and to assign to Corteva intellectual property relating to edited versions of Corteva’s genetic events. The companies also agreed to negotiate certain licensing arrangements.

This is a dispute between companies, not a consumer class action. There is no claim form and no payout for farmers or consumers.

Quick Facts: Corteva and Inari Seed Patent Settlement

Detail	Information
Plaintiffs	Corteva Agriscience LLC, Pioneer Hi-Bred International, Inc., Agrigenetics, Inc.
Defendants	Inari Agriculture, Inc., Inari Agriculture N.V.
Case name	Corteva Agriscience LLC et al. v. Inari Agriculture, Inc. et al.
Case number	1:23-cv-01059-JFM (C.A. No. 23-1059)
Court	U.S. District Court for the District of Delaware
Judge	John F. Murphy
Filed	September 27, 2023
Type of dispute	Patent, plant variety protection, contract and related intellectual-property claims
Damages sought by Corteva	More than $1.3 billion
Settlement amount	Confidential; not publicly disclosed
Trial began	September 23, 2026
Settlement announced	September 28, 2026
Consumer claim form or deadline	None
Disclosed terms	Destruction of specified Corteva materials; assignment of certain Inari intellectual property; licensing negotiations

Why Were Corteva and Inari Suing Each Other Over Seed Technology?

The case centered on how patented biological material deposited in seed repositories can be accessed and used. Corteva alleged that Inari obtained Corteva corn and soybean seed materials from a seed depository, took them abroad and used them to develop gene-edited versions of Corteva’s technology, and then sought its own patent protection on those edits. Corteva brought claims for plant variety protection violations, indirect patent infringement, breach of contract and civil conversion. It later added more soybean and corn infringement claims.

Inari disputed the claims and filed counterclaims. It argued that Corteva’s intellectual property was invalid or was being used improperly against it, and that its gene-editing work was legitimate innovation. Judge Murphy’s August 10, 2026 opinion described the dispute in those terms.

These were competing positions, not findings that either company did anything wrong, except where the court ruled on a specific issue.

What Does the $1.3 Billion Figure Mean in the Corteva and Inari Case?

The $1.3 billion is the damages Corteva was seeking at trial. Headlines that call this a “$1.3 billion settlement” can wrongly suggest Inari agreed to pay that amount. Corteva’s announcement discloses no dollar figure and says the other terms are confidential, so there is no verified number for how much money, if any, changed hands.

What Did Inari Agree to Do Under the Corteva Settlement?

According to Corteva’s September 28 announcement, Inari agreed to:

1. Destroy Corteva materials. That includes Corteva biological material Inari accessed from seed depositories and material developed from those deposits.
2. Assign intellectual property to Corteva. This covers IP tied to Inari’s edited versions of Corteva events. The announcement doesn’t list which patents or applications are included.
3. Negotiate licensing arrangements. The financial and other terms of any licenses have not been disclosed.

Corteva said the settlement reinforces its view that patent laws and contracts governing deposited biological materials must be followed. The announcement does not say Inari admitted liability, and a settlement is not a court finding that every allegation was true.

Why Did Corteva and Inari Settle in the Middle of the Trial?

The case had been through years of litigation. Judge Murphy issued major pretrial opinions on August 10, August 21 and September 8, 2026, ruling on summary judgment and expert issues. In August, he granted Corteva summary judgment on several Inari counterclaims, including claims under the Lanham Act and for abuse of process. The U.S. Department of Justice had also filed a statement of interest on legal issues around access to patented biological material.

Trial began on September 23, 2026. A stipulation and proposed order of dismissal was filed on September 27, according to a docket-monitoring record, and the companies announced the settlement on September 28. Because they settled, no jury verdict will decide the damages Corteva sought. The underlying patent-law questions about deposited biological material can still come up in other cases.

The proposed dismissal and an entered dismissal are not the same thing. Check the latest docket entry for the final status.

Is There a Claim Form for the Corteva and Inari Settlement?

No. This is a commercial intellectual-property settlement between companies. There is no settlement administrator, claim website, class-member eligibility test, opt-out period or consumer payment deadline. Be wary of any website or message offering a “Corteva-Inari settlement claim” that asks for personal information.

Is the $1.3 Billion Corteva and Inari Damages Figure Available to Farmers?

No. It is the amount Corteva sought, not a fund for farmers or consumers. The public settlement announcement also doesn’t say farmers will see lower or higher seed prices, and predicting a price effect would be speculation.

Was the Corteva and Inari Case a Class Action?

No. It was a lawsuit between agricultural technology companies and their related entities, not a Rule 23 consumer class action.

Corteva and Inari Seed Patent Dispute Key Dates

Date	Event
September 27, 2023	Corteva Agriscience LLC, Pioneer Hi-Bred International, Inc. and Agrigenetics Inc. sue Inari in Delaware federal court
August 2024	Court denies Inari’s motion to dismiss
September 2024	Corteva amends its complaint to add soybean and corn infringement claims
May 13, 2025	Judge Murphy issues an opinion addressing Inari’s counterclaims; case continues
August 10, 2026	Summary-judgment opinion; trial confirmed for late September
August 21, 2026	Further memorandum on summary judgment and expert issues
September 8, 2026	Fourth pretrial memorandum on expert and damages issues
September 23, 2026	Trial begins
September 27, 2026	Stipulation and proposed order of dismissal filed
September 28, 2026	Corteva and Inari announce the confidential settlement
Final dismissal	Confirm from the court’s entered order

Frequently Asked Questions About the Corteva and Inari Seed Patent Settlement

How much is the Corteva and Inari settlement?

The amount is confidential. The $1.3 billion figure is the damages Corteva was seeking, not the settlement payment.

What did Inari agree to under the Corteva settlement?

To destroy specified Corteva materials and material developed from them, assign certain intellectual property tied to edited Corteva events to Corteva and negotiate licensing arrangements.

Why did Corteva sue Inari in Delaware?

Corteva alleged Inari took Corteva seed materials from a seed depository and used them to develop gene-edited versions of Corteva technology, in violation of patent, plant variety protection and contract rights.

What is the Corteva v. Inari case number?

Corteva Agriscience LLC et al. v. Inari Agriculture, Inc. et al., No. 1:23-cv-01059-JFM, in the U.S. District Court for the District of Delaware.

Who is the judge in the Corteva and Inari case?

Judge John F. Murphy.

Did Inari admit patent infringement in the Corteva settlement?

The public announcement does not say so. The companies resolved the case confidentially.

Can farmers file a claim in the Corteva and Inari settlement?

No. There is no consumer claim form, administrator or payment process.

Was the Corteva and Inari case decided by a jury?

No. Trial began September 23, 2026, and the parties settled before a verdict.

Related Agricultural Legal Coverage From AllAboutLawyer

AllAboutLawyer has covered other agriculture-related cases, including the John Deere $99M Right-to-Repair Settlement: Eligible Models & Claim Guide. That case involved a proposed settlement for farmers with a claims process, unlike the private Corteva and Inari dispute. AllAboutLawyer also covered the John Deere Construction Equipment Repair Antitrust Lawsuit, Are You Affected?, which involves separate allegations about construction and forestry equipment.

Bottom Line on the Corteva and Inari Seed Patent Settlement

Corteva and Inari ended their Delaware seed-technology dispute with a confidential settlement reached while trial was underway. The $1.3 billion was the damages Corteva sought, not what Inari paid. The disclosed terms require Inari to destroy specified Corteva materials, assign certain intellectual property to Corteva and negotiate licensing arrangements. For farmers and consumers, there is no claim to file and no payment to request. The case matters mainly to the seed and biotechnology industries because it involved patents, plant variety protections and contracts governing deposited biological material.

Important: This article is general information, not legal advice. AllAboutLawyer.com is not a law firm. Court proceedings can change through later orders and filings.

Sources

1. Corteva, “Corteva and Inari Reach Settlement Agreement,” September 28, 2026: https://www.corteva.com/resources/media-center/Corteva-and-Inari-Reach-Settlement-Agreement.html
2. Docket: Corteva Agriscience LLC et al v. Inari Agriculture, Inc. et al, 1:23-cv-01059 (Justia)
3. Memorandum Opinion, Document 605, August 10, 2026 (Justia)
4. Memorandum Opinion, Document 627, August 21, 2026 (Justia)
5. Memorandum Opinion, Document 648, September 8, 2026 (Justia)
6. Memorandum Opinion, Document 250, May 13, 2025 (Justia)
7. Corteva SEC filing with Inari litigation disclosures

Researched and written by Israr Ahmad, legal content researcher and founder of AllAboutLawyer.com. All facts verified against Corteva’s official settlement announcement, the federal docket and court opinions in the District of Delaware and Corteva’s SEC filings, as of September 30, 2026. The settlement agreement itself is confidential. Last Updated: September 30, 2026.