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.
Rosa L. · Rose
Witte, W. De & Zn.
Brassica napus L. · Rapeseed
SAATZUCHT DONAU GES.M.B.H. & COKG
Hordeum vulgare L. · Barley
Limagrain UK
Solanum tuberosum L. · Potato
Franz Von Zwehl (DE)
Trifolium pratense L. · Red clover
Nilsson, Bengt
Rosa L. · Rose
ROBERT G. JELLY
Zea mays L. subsp. mays (Maize Group) · Maize
Steirischer Landwirteverband Lannach (AT)
Rosa L. · Rose
WARRINER| Bill Warriner
Gerbera L. · Gerbera
Piet Schreurs Holding B.V.
Helianthus annuus L. · Sunflower
Interstate Seed Company (US)
Beta vulgaris Sugar Beet Group · Sugar beet
SES Holland (NL)
Gossypium hirsutum L. · Upland cotton
TIPTON KENNETH W.
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Triticum aestivum L. · Bread wheat
New farm Crops Ltd (UK)
Impatiens L. · Balsam
Lyndon W Drewlow
Helianthus annuus L. · Sunflower
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Begonia L. · Begonia
L. DÆHNFELDT A/S
Begonia L. · Begonia
Man, Jan|Lisse, Netherlands
Hordeum vulgare L. · Barley
Florimond Desprez Veuve et Fils, FR
Cucumis sativus L. · Cucumber
Syngenta Seeds B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
W. SCHMIDT UND D. ALBER
Zea mays L. · Maize
ALBER| Dr. Karl-Dieter Alber in Fa. KWS SAAT AG / SCHMIDT W.| Dr. W. Schmidt in Fa. KWS SAAT AG / LEIPERT| Dr. R. Leipert in Fa. KWS Saat AG
Helianthus annuus L. · Sunflower
PHILIPPE JOUVE
Allium cepa L. var. cepa · Onion
JAKOB JONG