Maintenance fees coming due

Corteva Agriscience LLC

197 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 19, 2026. Unpaid by May 19, 2027, that one lapses early.

A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.

Patent	Title	Holder	Status	Fee due	Lapses if unpaid	Expires	Confidence
US 9,034,353	Meso-Sized Capsules Useful for the Delivery of Agricultural Chemicals Corteva Agriscience LLC In force Fee due Nov 19, 2026 Lapses if unpaid May 19, 2027 Term ends Mar 25, 2031 · High confidence	Corteva Agriscience LLC	In force	Nov 19, 2026	May 19, 2027	Term ends Mar 25, 2031	High confidence
US 9,040,458	Safening Composition of 6-(TRISUBSTITUDED PHENYL)-4-Amino-2-Pyridinecarboxylate Herbicides and Cloquintocet-Mexyl for Cereal Crops Corteva Agriscience LLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Ends no later than Nov 18, 2029 · Medium confidence	Corteva Agriscience LLC	In force	Nov 26, 2026	May 26, 2027	Ends no later than Nov 18, 2029	Medium confidence
US 9,040,459	Herbicidal Compositions Comprising Aminopyralid and Propanil Corteva Agriscience LLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Sep 11, 2033 · High confidence	Corteva Agriscience LLC	In force	Nov 26, 2026	May 26, 2027	Term ends Sep 11, 2033	High confidence
US 9,040,554	Solid Forms of Nematocidal Sulfonamides Corteva Agriscience LLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Oct 5, 2032 · High confidence	Corteva Agriscience LLC	In force	Nov 26, 2026	May 26, 2027	Term ends Oct 5, 2032	High confidence
US 9,040,772	Compositions and Methods for Enhancing Resistance to Northern Leaf Blight in Maize Corteva Agriscience LLC In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Dec 13, 2031 · High confidence	Corteva Agriscience LLC	In force	Nov 26, 2026	May 26, 2027	Term ends Dec 13, 2031	High confidence
US 10,301,283	2-(2,4-Difluorophenyl)-1,1-Difluoro-1-(5-Substituted-PYRIDIN-2-YL)-3-(1H-TETRAZOL-1-YL)PROPAN-2-OLS and Processes for Their Preparation Corteva Agriscience LLC In force Fee due Nov 28, 2026 Lapses if unpaid May 28, 2027 Term ends Mar 19, 2035 · High confidence	Corteva Agriscience LLC	In force	Nov 28, 2026	May 28, 2027	Term ends Mar 19, 2035	High confidence
US 9,045,427	Fluoropicolinoyl Fluorides and Processes for Their Preparation Corteva Agriscience LLC In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jul 23, 2033 · High confidence	Corteva Agriscience LLC	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jul 23, 2033	High confidence
US 9,045,502	Methods of Isolating (4-Chloro-2-Fluoro-3-Substituted-PHENYL)BORONATES and Methods of Using the Same Corteva Agriscience LLC In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends May 13, 2033 · High confidence	Corteva Agriscience LLC	In force	Dec 2, 2026	Jun 2, 2027	Term ends May 13, 2033	High confidence
US 9,045,766	Combined Use of Vip3Ab and Cry1Ab for Management of Resistant Insects Corteva Agriscience LLC In force Fee due Dec 2, 2026 Lapses if unpaid Jun 2, 2027 Term ends Jun 9, 2033 · High confidence	Corteva Agriscience LLC	In force	Dec 2, 2026	Jun 2, 2027	Term ends Jun 9, 2033	High confidence
US 10,315,999	Processes for the Preparation of Pesticidal Compounds Corteva Agriscience LLC In force Fee due Dec 11, 2026 Lapses if unpaid Jun 11, 2027 Term ends Oct 17, 2034 · Medium confidence	Corteva Agriscience LLC	In force	Dec 11, 2026	Jun 11, 2027	Term ends Oct 17, 2034	Medium confidence
187 more maintenance fees coming due in the 12 months from Nov 14, 2026 · Pro

10 of 197 patents shown. Soonest fee due date first, then patent number.

Pro members see every patent with a maintenance fee coming due: number, title, status, the due date, and the date it lapses if the fee goes unpaid through the grace period.

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Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.