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
RUSTICA SEMENCES
Brassica napus var. napus · Rapeseed
KWS Kleinwanzlebener Saatzucht AG (DE)
Medicago sativa L. · Alfalfa
Barenbrug Holland BV (NL)
Daucus carota L. · Carrot
Royal Sluis France Sarl (FR)
Allium cepa L. var. cepa · Onion
ROYAL SLUIS
Triticum aestivum L. · Bread wheat
RUSTICA SEMENCES
Trifolium repens L. · White clover
PRODANA SEEDS A/S (DK)
Brassica napus var. napus · Rapeseed
KWS SAAT SE & CO.KGAA
Allium cepa L. var. cepa · Onion
Syngenta Seeds B.V.
Brassica napus var. napus · Rapeseed
SARL ADRIEN MOMONT ET FILS, FR
Helianthus annuus L. · Sunflower
GREEN GENETICS
Beta vulgaris Sugar Beet Group · Sugar beet
KUHN and CO
Hordeum vulgare L. · Barley
W WEIBULL
Daucus carota L. · Carrot
Syngenta Seeds B.V.
Spinacia oleracea L. · Spinach
SPAETH HANS| Dr. Hans Rolf Spaeth
Beta vulgaris Sugar Beet Group · Sugar beet
NOVARTIS SEEDS
Zea mays L. · Maize
KWS MAIS GMBH (DE)
Chrysanthemum L. · Chrysanthemum
Meek, Jack M.|Salinas, CA / Duffett, William E.|Salinas, CA
Triticum aestivum L. · Bread wheat
KWS UK LTD
Pisum sativum L. · Pea
SEMENCES DE FRANCE
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
Avena sativa L. · Oat
Triticum aestivum L. · Bread wheat
Cucumis sativus L. · Cucumber