Pyroxasulfone Patent Landscape Analysis

Pyroxasulfone is a herbicide active developed by Kumiai Chemical (AXEEV®), commercialised in products such as SAKURA® and Zidua®.

The retained landscape covers 411 patent families across 163 consolidated owner groups. Herbicide combination is the thickest protection layer (233 families), with manufacturing route and plant providing additional constraint.

289 of the 411 retained families carry a grant or national pending reading. 279 families are held by China-based applicants; fifteen live families have a nominal term ending within five years. Position as at October 2026.

This 108-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.