Public domain
Plant breeders' rights are granted for a limited term. Upon expiration, the variety enters the public domain: its seeds can be propagated and sold without the rights holder's license.
Recent years are the most sought-after: the variety is free to use but still in production.
Cucumis sativus L. · Cucumber
Daucus carota L. · Carrot
Helianthus annuus L. · Sunflower
Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac
Solanum lycopersicum L. · Tomato
Lactuca sativa L. · Lettuce
Cucumis sativus L. · Cucumber
Cucumis melo L. · Melon
Spinacia oleracea L. · Spinach
Capsicum annuum L. · Bell pepper
Lactuca sativa L. · Lettuce
Hordeum vulgare L. · Barley
Daucus carota L. · Carrot
Cucumis melo L. · Melon
Daucus carota L. · Carrot
Lactuca sativa L. · Lettuce
Pisum sativum L. · Pea
Cucumis sativus L. · Cucumber
Lactuca sativa L. · Lettuce
Beta vulgaris Sugar Beet Group · Sugar beet
Cucumis sativus L. · Cucumber
Phaseolus vulgaris L. · Common bean
Cucumis sativus L. · Cucumber
Cucumis sativus L. · Cucumber