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.
Gerbera L. · Gerbera
Lab. De Phys. Veget., Barberet Et Ducloux Et Cie
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Zea mays L. · Maize
SOCIETE DES MAIS| Societe des Mais Europeens S.D.M.E. (S.A.R.L.)
Zea mays L. · Maize
ALBER| Dr. Karl-Dieter Alber in Fa. KWS SAAT SE / SCHMIDT W.| Dr. W. Schmidt in Fa. KWS SAAT SE / LEIPERT| KWS SAAT SE Herrn Dr. R. Leipert
Zea mays L. · Maize
Dieter Alber^^^B. VON SODEN^^^H.U. Eberwein
Zea mays L. · Maize
ALBER| Dr. Karl-Dieter Alber in Fa. KWS SAAT AG / SCHMIDT W.| Dr. W. Schmidt in Fa. KWS SAAT AG
Zea mays L. · Maize
Dieter Alber^^^Walter Schmidt
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
Cebeco Seeds BV (NL)
Allium porrum L. · Leek
Novartis Seeds B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Hordeum vulgare L. · Barley
H. Gorastev, N. Toshev, S. Grancharova, N. Ganusheva
Lactuca sativa L. · Lettuce
Lactuca sativa L. · Lettuce
Rosa L. · Rose
Michel Kriloff (FR)
Lepidium sativum L. · Garden cress
Kalanchoe Adans. · Kalanchoe
FIDES BEHEER B.V
Phaseolus coccineus L. · Runner bean
Zea mays L. · Maize
GOLDEN WEST SEED RESEARCH Co.
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P.|Salinas, CA
Rosa L. · Rose
Wilhelm Kordes / Tim-Hermann Kordes / Margarita Kordes in Fa. W. Kordes' Soehne Rosenschulen GmbH & Co KG
Begonia L. · Begonia
BERT KOPPE
Solanum lycopersicum L. · Tomato
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Rosa L. · Rose
W.KORDES'SOHNE
Zea mays L. · Maize
Golden West Seed Co.