August 12, 2026
U.S. Patent and Trademark Office Director John Squires has asked the Federal Circuit to intervene in Inari Agriculture's appeal of a Patent Trial and Appeal Board decision upholding a Corteva patent on insect-repellent corn, saying part of the board's decision was wrong.
November 20, 2025
The Patent Trial and Appeal Board has upheld the entirety of a Corteva Agriscience LLC unit's patent directed to an insect-repellent corn plant, following a challenge from Inari Agriculture Inc.