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.
Trifolium repens L. · White clover
HAO-DEMETER-Fodder Crops and Pastures Institute
Triticum aestivum L. · Bread wheat
B. Mihov, R. Zhelyazkova, V. Kazakova, T. Dimitrov
Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts
Bejo Zaden B.V.
Foeniculum vulgare Mill. · Fennel
Daucus carota L. · Carrot
Les Graines Caillard Sa (FR)
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Cucumis sativus L. · Cucumber
Asgrow (IT)
Lactuca sativa L. · Lettuce
Royal Sluis Vegetables BV (NL)
Rosa L. · Rose
Rosen Tantau KG
Brassica napus L. · Rapeseed
MARIBO SEED INT. APS
Triticum aestivum L. · Bread wheat
Jost Sjeme-istraživanja j.d.o.o. (HR)
Medicago sativa L. · Alfalfa
GOLDEN WEST SEED RESEARCH Co.
Zea mays L. · Maize
Gabonatermesztési Kutató Közhasznú Társaság
Pisum sativum L. · Pea
INNOSEEDS
Avena sativa L. · Oat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Hordeum vulgare L. · Barley
SEMILLAS BATLLE, S.A.
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Beta vulgaris Sugar Beet Group · Sugar beet
Gerhard Steinrucken
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Crop Protection AG, CH
Triticum aestivum L. · Bread wheat
SW Seed BV
Solanum lycopersicum L. · Tomato
Tezier SA (FR)
Pisum sativum L. · Pea
Maribo France SA (FR)
Pisum sativum L. · Pea
NOVARTIS SEEDS
Pisum sativum L. · Pea
Syngenta Participations AG