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.
Festuca ovina L. · Sheep's fescue
Nordsaat Saatzuchtg. (DE)
Helianthus annuus L. · Sunflower
Helianthus annuus L. · Sunflower
Solanum lycopersicum L. · Tomato
Helianthus annuus L. · Sunflower
Dactylis glomerata L. · Cocksfoot
Phaseolus vulgaris L. · Common bean
Hordeum vulgare L. · Barley
Trifolium pratense L. · Red clover
Zea mays L. · Maize
Papaver somniferum L. · Opium poppy
Medicago sativa L. · Alfalfa
Cucurbita pepo L. · Field pumpkin
Solanum melongena L. · Eggplant
Beta vulgaris Leaf Beet Group · Swiss chard
Beta vulgaris Leaf Beet Group · Swiss chard
Phaseolus vulgaris L. · Common bean
Lolium x hybridum Hausskn. · Hybrid ryegrass
Daucus carota L. · Carrot
Trifolium pratense L. · Red clover
Trifolium pratense L. · Red clover
Solanum tuberosum L. · Potato
Prunus armeniaca L. · Apricot
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi