Nursery or breeding house
KOOIJ & ZONEN B V P
13 US plant patents, granted between 2001 and 2009.
Filed under the KOOIJ name. Related entities are listed separately on the KOOIJ search, because a company and a person are not the same filer even when the name matches.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
Already in the public domain — 11 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.
- CristalPP17945Carnation plant named ‘Cristal’PUBLIC DOMAINNovember 18, 2025
- Amalia Duo PinkPP17428Antirrhinum plant named ‘Amalia Duo Pink’PUBLIC DOMAINJuly 25, 2025
- Amalia CerisePP17435Antirrhinum plant named ‘Amalia Cerise’PUBLIC DOMAINJuly 25, 2025
- Amalia PinkPP17458Antirrhinum plant named ‘Amalia Pink’PUBLIC DOMAINJuly 25, 2025
- MargaritaPP17335Carnation plant named ‘Margarita’PUBLIC DOMAINMay 23, 2025
- White CampariPP11792Carnation plant named ‘White Campari’PUBLIC DOMAINAugust 23, 2019
- Pink CampariPP11799Carnation plant named ‘Pink Campari’PUBLIC DOMAINAugust 23, 2019
- KowipaPP11808Carnation plant named ‘Kowipa’PUBLIC DOMAINAugust 23, 2019
- Sunflor CampariPP12740Carnation plant named ‘Sunflor Campari’PUBLIC DOMAINAugust 23, 2019
- Sunflor VinoPP12742Carnation plant named ‘Sunflor Vino’PUBLIC DOMAINAugust 23, 2019
- Sunflor SurprisePP12843Carnation plant named ‘Sunflor Surprise’PUBLIC DOMAINAugust 23, 2019