Flufenpyr-ethyl Patent Landscape Analysis

Flufenpyr-ethyl is a Group 14 herbicide developed by Sumitomo Chemical and commercialised by Valent U.S.A. through the S-3153 product line for post-emergence broadleaf weed control.

The retained landscape covers 22 patent families across 5 consolidated owner groups. Two-active combination is the thickest protection layer (11 families), with manufacturing route and formulation claims providing additional constraint.

4 of the 22 retained families carry a grant or national pending reading. 1 family is held by China-based applicants. 1 live family has a nominal term ending within five years. Position as at November 2026.

This 33-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.