EPO published patent EP4590665A1 for BASF SE, a German chemical corporation, covering N-(3-(aminomethyl)-phenyl)-5-(4-phenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-amine derivatives and similar compounds as pesticides. The application includes multiple IPC classifications spanning C07D chemistry, A01N pesticides, and A61K pharmaceuticals. Designated states cover AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, and TR.

Competitors developing similar dihydroisoxazolamine chemistry for agricultural or pharmaceutical applications should conduct freedom-to-operate analysis before commercializing products in the designated states. Generic pesticide manufacturers and agricultural chemical companies should review the compound claims to assess potential licensing opportunities or design-around strategies. The patent publication date of March 25, 2026 marks the beginning of potential opposition periods.