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.
Dianthus L. · Carnation
William E. DUFFETT (US)/G Harcharick (US)
Lilium L. · Lily
HOFFGAARDE BV (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Verneuil Holding (FR)
Kalanchoe Adans. · Kalanchoe
Mikkelsen, James C.|Ashtabula, OH
Begonia L. · Begonia
Mikkelsen, James C.|Ashtabula, OH
Kalanchoe Adans. · Kalanchoe
HERMANN FINGER
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Solanum lycopersicum L. · Tomato
Golden West Seed Co.
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P.|Salinas, CA
Triticum aestivum L. · Bread wheat
Svalof Weibull AB
Zea mays L. · Maize
Syngenta Seeds S.A.S., FR
Beta vulgaris Sugar Beet Group · Sugar beet
KUHN E CO.
Beta vulgaris Sugar Beet Group · Sugar beet
Florimond Desprez SA (FR)
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Cucumis melo L. · Melon
Nunhems BV (NL)
x Triticosecale Wittm. ex A. Camus · Triticale
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Pisum sativum L. · Pea
WOLFRAM| Dr. Horst Wolfram im Institut fuer Zuechtungsforschung
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER HI-BRED INTERNATIONAL
Lactuca sativa L. · Lettuce
Vilmorin, F
Zea mays L. · Maize
SWS - Suddeutsche Saatzucht
Zea mays L. subsp. mays (Maize Group) · Maize
Maisadour Societe Cooperative Agricole (FR)
Solanum tuberosum L. · Potato
Kweekbedrijf-Zpc (NL)
Lolium perenne L. · Perennial ryegrass
DEUTSCHE SAATVEREDELUNG AG