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 napus var. napus · Rapeseed
Euralis Semences FR
Zea mays L. subsp. mays (Maize Group) · Maize
Euralis Semences FR
Zea mays L. · Maize
VENTUROLI SEMENTI S.R.L.
Impatiens L. · Balsam
LYNDON W. DREWLOW C/O MIKKELSENS INC.
Zea mays L. subsp. mays (Maize Group) · Maize
CIBA GEIGY, S.A.
Impatiens L. · Balsam
Ludwig Kientzler
Brassica napus var. napus · Rapeseed
Semences Cargill SA (FR)
Lactuca sativa L. · Lettuce
Enza Zaden (NL)
Impatiens L. · Balsam
Mikkelsen, James C.|Ashtabula, OH
Zea mays L. · Maize
KWS Saat AG, Einbeck DE
Hordeum vulgare L. · Barley
Secobra Recherches, FR
Solanum lycopersicum L. · Tomato
Harris Moran Seed Company
Hordeum vulgare L. · Barley
LEMAIRE DEFFONTAINES S.A.S.
Hordeum vulgare L. · Barley
KWS Momont Recherche Sarl
Pisum sativum L. · Pea
TWYFORD SEEDS LTD
Helianthus annuus L. · Sunflower
Maribo France SA (FR)
Begonia L. · Begonia
Schelbeck, Erland V.|Odense, Denmark
Beta vulgaris Sugar Beet Group · Sugar beet
ZWAAN BIETEN B.V. (NL)
Helianthus annuus L. · Sunflower
MONSANTO SAS,FR
Vicia sativa L. · Common vetch
Golden West Seed Co.
Helianthus annuus L. · Sunflower
GOLDEN WEST SEED RESEARCH Co.
Raphanus sativus L. var. oleiformis Pers. · Oil radish
Gerard H.M. Bremer
Zea mays L. subsp. mays (Maize Group) · Maize
SAATBAU LINZ EGEN
Brassica napus var. napus · Rapeseed
Serasem S.A.S.^^^Agri-Obtentions S.A.