Epyrifenacil Patent Landscape Analysis

Epyrifenacil is a herbicide developed by Sumitomo Chemical, commercialised through the Rapidicil® brand.

The retained landscape covers 42 patent families across 11 consolidated owner groups. Two-active combination is the thickest protection layer (26 families), with manufacturing route and intermediates providing additional constraint.

25 of the 42 retained families carry a grant or national pending reading. 6 families are held by China-based applicants. Position as at October 2026.

This 36-page report provides a seven-part analysis covering ownership, active-ingredient manufacture, single-active formulation, fixed-dose mixtures, national market entry and owner profiles, with route-level remaining-space notes and an appendix owner directory.

Not a freedom-to-operate opinion.