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.
Chrysanthemum L. · Chrysanthemum
Meek, J M/Duffett, William E
Triticum aestivum L. · Bread wheat
Hodowla Roslin Rolniczych Nasiona Kobierzyc Sp.z.o.o.
Zea mays L. · Maize
Euralis Semences
Brassica napus var. napus · Rapeseed
SVENSK HANS
Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts
Royal Sluis (NL)
Brassica napus L. · Rapeseed
Euralis Semences, Mondonville FR
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred Northern Europe Sales Division
Helianthus annuus L. · Sunflower
Euralis Semences FR
Zea mays L. · Maize
Euralis Semences
Zea mays L. · Maize
Euralis Semences
Zea mays L. · Maize
Euralis Semences
Glycine max (L.) Merr. · Soybean
Lidea France S.A.S
Helianthus annuus L. · Sunflower
EURALIS SEMILLAS, S.A.
Beta vulgaris Sugar Beet Group · Sugar beet
NOVARTIS SEEDS
Cucumis sativus L. · Cucumber
Syngenta Seeds B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
Van der Have Sugar Beet Seed B.V. (NL)
Beta vulgaris Sugar Beet Group · Sugar beet
Syngenta Seeds
Brassica oleracea L. (White Cabbage Group) · White cabbage
HM.CLAUSE
Medicago sativa L. · Alfalfa
PIONEER OVERSEAS CORPORATION
Lactuca sativa L. · Lettuce
Enza Zaden Beheer B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
SEITZER| Dr. Josef Franz Seitzer in Fa. KWS SAAT SE / JANSEN| Dr. Rudolf Jansen in Fa. KWS SAAT SE / MECHELKE| Dr. Wolfgang Mechelke
Zea mays L. subsp. mays (Maize Group) · Maize
Societe Europeenne de Semences NV/SA (BE)
Solanum lycopersicum L. · Tomato
HM.CLAUSE
Brassica napus var. napus · Rapeseed
PLANT BREEDING INTERNATIONAL CAMBRIDGE