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.
Zea mays L. subsp. mays (Maize Group) · Maize
Zelder BV (NL)
Helianthus annuus L. · Sunflower
Golden West Seed Co.
Chrysanthemum L. · Chrysanthemum
HOEK BREEDING BV
Chrysanthemum L. · Chrysanthemum
Fides
Medicago sativa L. · Alfalfa
GOLDEN WEST SEED RESEARCH Co.
Brassica napus var. napus · Rapeseed
JOHANNES DIECKMANN
Hordeum vulgare L. · Barley
Palagyi Andras / Benke Laszlo / Toth Sandor
Dianthus caryophyllus L. · Carnation
Giacomo Nobbio
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE & CO.KGAA
Chrysanthemum L. · Chrysanthemum
Knapp, Jacques C. M. van der|De Lier, Netherlands
Zea mays L. subsp. mays (Maize Group) · Maize
Zelder BV (NL)
Cucumis sativus L. · Cucumber
Hans Rolf Späth
Lilium L. · Lily
WIM VLETTER
Sinapis alba L. · White mustard
P.H.PETERSEN SAATZUCHT LUNDSGAARD
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Phaseolus vulgaris L. · Common bean
Les Produits Organiques du Santerre-Orsan S.A.
Chrysanthemum L. · Chrysanthemum
Machin, Barrie John|England
Zea mays L. subsp. mays (Maize Group) · Maize
KWS SAAT SE & CO.KGAA
Chrysanthemum L. · Chrysanthemum
Jessel, Jr., Walter H.|Salinas, CA / Duffett, William E.|Salinas, CA
Triticum aestivum L. · Bread wheat
KWS Momont Recherche Sarl
Lactuca sativa L. · Lettuce
Enza Zaden (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
RAGT 2n
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
PETOSEED CO
Zea mays L. subsp. mays (Maize Group) · Maize
Semences COOP de Pau