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.
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
Semenarna Ljubljana, SI
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
Semenarna Ljubljana, SI
Spinacia oleracea L. · Spinach
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Solanum lycopersicum L. · Tomato
Deruiterzonen CV, NL-266526 Bleiswijk
Brassica oleracea L. (White Cabbage Group) · White cabbage
J.E. OHLSENS ENKE A/S
Zea mays L. · Maize
Suedwestsaat GbR
Pisum sativum L. · Pea
VAN WAVEREN
Zea mays L. · Maize
CAUSSADE SEMENCES
Zea mays L. subsp. mays (Maize Group) · Maize
LIMAGRAIN NEDERLAND
Chrysanthemum L. · Chrysanthemum
REVECU BV
Trifolium pratense L. · Red clover
INTERNATIONAL SEEDS INC
Beta vulgaris Fodder Beet Group · Mangelwurzel
RUNKELRUBENZUCHTVEREIN (DE)
Capsicum annuum L. · Bell pepper
Fuszerpaprika Kutato Fejleszto, H
Festuca rubra L. · Red fescue
Dr. Hans Baukloh in Fa. KWS SAAT SE
Triticum durum Desf. · Durum wheat
Northrup King Semences SA (FR)/Ets Claude Camille Benoist SA (FR)
Prunus persica (L.) Batsch · Peach
Barraglia, Joseph D
Phaseolus coccineus L. · Runner bean
Syngenta Seeds B.V.
Lactuca sativa L. · Lettuce
KONINKLIJKE ZAAIZAADBEDRIJVEN GEBROEDERS SLUIS B.V.
Dasiphora fruticosa (L.) Rydb. subsp. fruticosa · Shrubby cinquefoil
DR. AND MRS. DAVID BARKER
Helianthus annuus L. · Sunflower
GOLDEN WEST SEED RESEARCH Co.
Solanum tuberosum L. · Potato
J E COCKRAM
Kalanchoe Adans. · Kalanchoe
FIDES GOLDSTOCK BREEDING B.V.
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
Forschungsanstalt Agroscope Reckenholz-Tänikon ART