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.
Beta vulgaris Sugar Beet Group · Sugar beet
Societe Europeenne de Semences NV/SA (BE)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Triticum aestivum L. · Bread wheat
Rustica Prograin Genetique SA (FR)
Phaseolus vulgaris L. · Common bean
Tezier SA (FR)
Zea mays L. · Maize
RAGT 2N S.A.S
Zea mays L. subsp. mays (Maize Group) · Maize
Semences COOP de Pau
Pisum sativum L. · Pea
WAVEREN| van Waveren Saaten GmbH
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P.|Salinas, CA
Impatiens L. · Balsam
Mikkelsen, James C.|Ashtabula, OH
Brassica oleracea L. (White Cabbage Group) · White cabbage
Clause Semences SA (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
Pau Semences SA (FR)
Brassica napus L. · Rapeseed
PIONEER OVERSEAS CORPORATION
Brassica napus L. · Rapeseed
Zhan-Klod-Priuvot
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden (NL)
Solanum lycopersicum L. · Tomato
Harris Moran Seed Company
Vicia sativa L. · Common vetch
Tezier SA (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
Nickerson SA (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
SAATBAU LINZ EGEN
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Cucurbita pepo L. · Field pumpkin
Petoseed, US
Hordeum vulgare L. · Barley
BUSCH AGRICULTURAL RESOURCES
Medicago sativa L. · Alfalfa
PIONNER HI-BRED INT. INC.
Daucus carota L. · Carrot
Les Graines Caillard Sa (FR)
Medicago sativa L. · Alfalfa
W-L Research