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.
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
Capsicum annuum L. · Bell pepper
Brassica oleracea L. (White Cabbage Group) · White cabbage
Raphanus sativus L. var. sativus · Radish
Phaseolus vulgaris L. · Common bean
Festuca ovina L. · Sheep's fescue
Solanum lycopersicum L. · Tomato
Beta vulgaris Sugar Beet Group · Sugar beet
Allium cepa L. var. cepa · Onion
Pisum sativum L. · Pea
Pisum sativum L. · Pea
Beta vulgaris Sugar Beet Group · Sugar beet
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Solanum tuberosum L. · Potato
Lactuca sativa L. · Lettuce
Cucumis sativus L. · Cucumber
Zea mays L. subsp. mays (Maize Group) · Maize
Zea mays L. · Maize
Solanum tuberosum L. · Potato
Pisum sativum L. · Pea
Zea mays L. · Maize
Solanum lycopersicum L. · Tomato
Solanum lycopersicum L. · Tomato
Triticum aestivum L. subsp. spelta (L.) Thell. · Spelt