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.
Helianthus annuus L. · Sunflower
Agri Genetics Company (US)
Zea mays L. · Maize
KWS| KWS SAAT AG
Beta vulgaris Sugar Beet Group · Sugar beet
STRUBE HERMANN| Dr. Hermann Strube
Medicago sativa L. · Alfalfa
GOLDEN WEST SEED RESEARCH Co.
Pelargonium L'Hér. ex Ait. · Geranium
Gunter DUMMEN (DE)
Raphanus sativus L. var. oleiformis Pers. · Oil radish
Hans-Georg Lembke KG/NPZ (DE)
Zea mays L. subsp. mays (Maize Group) · Maize
VERNEUIL RECHERCHES
Triticum durum Desf. · Durum wheat
VENTUROLI SEMENTI S.N.C
Chrysanthemum L. · Chrysanthemum
Knapp, Jacques C. M. van der|De Lier, Netherlands
Gossypium hirsutum L. · Upland cotton
California Cotton Alliance
Brassica oleracea L. (Broccoli Group) · Broccoli
Seminis Vegetable Seeds
Festuca rubra L. · Red fescue
BAUKLOH| Dr. Hans Baukloh in Fa. KWS SAAT AG
Begonia L. · Begonia
L. DÆHNFELDT A/S
Solanum lycopersicum L. · Tomato
Olter Srl (IT)
Beta vulgaris Sugar Beet Group · Sugar beet
Syngenta Crop Protection AG
Brassica oleracea L. (Cauliflower Group) · Cauliflower
OHLSENS ENKE (DK)
Oryza sativa L. · Rice
Centre International d'Agriculture Tropicale (CO)
Pisum sativum L. · Pea
Serasem, FR
Iris L. · Iris
IVT, NL
Lolium perenne L. · Perennial ryegrass
DEUTSCHE SAATVEREDELUNG AG
Zea mays L. · Maize
Tompa Gabor, Devenyi Karolyne, Busa Lajosne, Pinter Zoltanne, Dr. Kalman Laszlo, Dr. Szel Sandor, Balassa Gyorgy, Pinter Zoltan,
Zea mays L. · Maize
Quinta do Marujal
Triticum aestivum L. · Bread wheat
S.A . V. Jorion et Fils N.V. (BE)
Zea mays L. · Maize
HAO-DEMETER - Cereal Institute