Nursery or breeding house
KNAAP LICENTIES B V
16 US plant patents, granted between 2007 and 2012.
Filed under the KNAAP name. Related entities are listed separately on the KNAAP search, because a company and a person are not the same filer even when the name matches.
Still under patent — 10 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- CurzenaPP19956Curcuma plant named ‘Curzena’UNDER PATENTApril 12, 2027
- Don CarlosPP19238Kalanchoe plant named ‘Don Carlos’UNDER PATENTApril 16, 2027
- Don MartinoPP19402Kalanchoe plant named ‘Don Martino’UNDER PATENTOctober 11, 2027
- Don SergioPP19699Kalanchoe plant named ‘Don Sergio’UNDER PATENTMarch 25, 2028
- Don AngeloPP19704Kalanchoe plant named ‘Don Angelo’UNDER PATENTMarch 25, 2028
- Don DarcioPP20662Kalanchoe plant named ‘Don Darcio’UNDER PATENTSeptember 8, 2028
- BardontaPP20676Anthurium plant named ‘Bardonta’UNDER PATENTOctober 8, 2028
- SpacessaPP21237Spathiphyllum plant named ‘Spacessa’UNDER PATENTApril 20, 2029
- SparankePP21294Spathiphyllum plant named ‘Sparanke’UNDER PATENTApril 20, 2029
- SpadaluPP22599Spathiphyllum plant named ‘Spadalu’UNDER PATENTJuly 12, 2030
Already in the public domain — 6 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- BarmoduPP18844Anthurium plant named ‘Barmodu’PUBLIC DOMAINSeptember 11, 2026
- CurtinaPP19051Curcuma plant named ‘Curtina’PUBLIC DOMAINAugust 1, 2026
- Don FredericoPP17949Kalanchoe plant named ‘Don Frederico’PUBLIC DOMAINJanuary 18, 2026
- Don DomingoPP17968Kalanchoe plant named ‘Don Domingo’PUBLIC DOMAINJanuary 16, 2026
- Don JuanPP17576Kalanchoe plant named ‘Don Juan’PUBLIC DOMAINOctober 26, 2025
- Don RamonPP17614Kalanchoe plant named ‘Don Ramon’PUBLIC DOMAINOctober 26, 2025