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.
Solanum lycopersicum L. · Tomato
ERGON INTERNATIONAL N.V.
Chrysanthemum L. · Chrysanthemum
Valleflor S.L.
Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia
ANNI LORENZ & R. REIMANN-PHILIPP
Gossypium hirsutum L. · Upland cotton
Golden West Seed Co.
Beta vulgaris Sugar Beet Group · Sugar beet
C.E.R.E.S. (FR)
Gossypium hirsutum L. · Upland cotton
D&PL TECHNOLOGY HOLDING COMPAN
Zea mays L. · Maize
EURALIS SAATEN
Gerbera L. · Gerbera
Boers, P.
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Euralis Semences FR
Zea mays L. subsp. mays (Maize Group) · Maize
R 2n (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
Breeding Division of Hellenic Sugar Industry
Zea mays L. subsp. mays (Maize Group) · Maize
Advanta Seeds B.V. (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
Coop de Pau SCA (FR)
Cucumis melo L. · Melon
Novartis Seeds BV (NL)
Beta vulgaris Sugar Beet Group · Sugar beet
SESVANDERHAVE NV-SA, BE
Zea mays L. · Maize
Intraseed
Cucumis sativus L. · Cucumber
GOLDEN WEST SEED RESEARCH Co.
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Brassica napus L. · Rapeseed
BASF AGRICULTURAL SOLUTIONS SEED,USA
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Crop Protection AG, CH
Brassica oleracea L. (White Cabbage Group) · White cabbage
Beta vulgaris Sugar Beet Group · Sugar beet
Andre Blondeau Semences (FR)
Lolium multiflorum Lam. · Italian ryegrass
DLF SEEDS A/S
Hordeum vulgare L. · Barley
Svalof Weibull AB