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. (White Cabbage Group) · White cabbage
Triticum aestivum L. · Bread wheat
Lolium perenne L. · Perennial ryegrass
Capsicum annuum L. · Bell pepper
Capsicum annuum L. · Bell pepper
Cucumis sativus L. · Cucumber
Cucumis sativus L. · Cucumber
Helianthus annuus L. · Sunflower
Lolium perenne L. · Perennial ryegrass
Lolium perenne L. · Perennial ryegrass
Lolium perenne L. · Perennial ryegrass
Daucus carota L. · Carrot
Lolium perenne L. · Perennial ryegrass
Helianthus annuus L. · Sunflower
Linum usitatissimum L. · Common flax
Glycine max (L.) Merr. · Soybean
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
Cucumis sativus L. · Cucumber
Hordeum vulgare L. · Barley
Daucus carota L. · Carrot
Hordeum vulgare L. · Barley
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Solanum lycopersicum L. · Tomato
Solanum lycopersicum L. · Tomato