Pyroxasulfone Patent Landscape Analysis

Discovered and developed by Kumiai Chemical Industry and commercialised through the AXEEV®, SAKURA® and Zidua® brands, pyroxasulfone is a Group 15 very-long-chain fatty acid elongase (VLCFAE) inhibiting herbicide used for pre-emergence control of grasses and broadleaf weeds in cereals and other upland crops.

The report retains 404 patent families across 163 consolidated owner groups. Combination development is the largest and most competitive layer, comprising 228 families and naming 206 partner actives. The upstream estate includes 141 families across compound genus, crystal form and manufacturing route and plant, with 17 single-active formulation families.

A total of 283 families have a grant or national pending reading, while 14 live families reach their nominal term within five years. Two hundred seventy-nine families are held by China-based applicants across 134 China-based owner groups.

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, followed by a complete directory of all 163 owner groups. Detailed claim charts, remaining-space notes and owner profiles are included throughout.

Not a freedom-to-operate opinion.