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.
Allium cepa L. · Onion
Avena nuda L. · Naked oat
Beta vulgaris Sugar Beet Group · Sugar beet
Zea mays L. · Maize
Festuca heterophylla Lam. · Shade Fescue
Helianthus annuus L. · Sunflower
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Genetics Grandes Cultures SA (FR)
Zea mays L. · Maize
Zea mays L. subsp. mays (Maize Group) · Maize
Asgrow France SA (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
SICA L. G. SERVICES (FR)
Zea mays L. · Maize
Limagrain Genetics (FR)-glej 323
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Prunus persica (L.) Batsch · Peach
Beta vulgaris Fodder Beet Group · Mangelwurzel
Solanum lycopersicum L. · Tomato
Brassica oleracea L. (Broccoli Group) · Broccoli
Prunus persica (L.) Batsch · Peach
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
Nickerson Seeds Res. Cent. (GB)
Beta vulgaris Sugar Beet Group · Sugar beet
Capsicum annuum L. · Bell pepper
Zea mays L. · Maize
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Linum usitatissimum L. · Common flax