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.
Glycine max (L.) Merr. · Soybean
SG Ceresco Inc, CA
Beta vulgaris Sugar Beet Group · Sugar beet
KWS SAAT SE & CO.KGAA
Zea mays L. subsp. mays (Maize Group) · Maize
ICI Seeds-SES N.V./S.A. (BE)
Hordeum vulgare L. · Barley
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Brassica oleracea L. (Broccoli Group) · Broccoli
Sakata Seed Corporation (SCC)
Triticum aestivum L. · Bread wheat
Poljoprivredni Institut Osijek, HR
Helianthus annuus L. · Sunflower
Rene Baratin
Beta vulgaris Sugar Beet Group · Sugar beet
D.J.VAN DER HAVE
Kalanchoe Adans. · Kalanchoe
HERMANN FINGER
Chrysanthemum L. · Chrysanthemum
SWALLOWFIELD HORTICULTURAL
Pelargonium L'Hér. ex Ait. · Geranium
Hofmann, Christa|Dresden, Federal Republic of Germany
Pelargonium L'Hér. ex Ait. · Geranium
Hofmann Christa
Cucurbita pepo L. · Field pumpkin
Enza Zaden (NL)
Zea mays L. · Maize
RUSTICA PROGRAIN| Rustica Prograin Genetique (Societe Anonyme)
Allium cepa L. var. aggregatum G. Don · Shallot
Meyer, J.
Spinacia oleracea L. · Spinach
Syngenta Seeds B.V.
Helianthus annuus L. · Sunflower
Novartis Seeds AG (CH)
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER HI-BRED INTERNATIONAL
Beta vulgaris Sugar Beet Group · Sugar beet
KWS| KWS SAAT AG
Beta vulgaris Sugar Beet Group · Sugar beet
U. Dieckman
Capsicum annuum L. · Bell pepper
DE RUITER SEEDS
Avena sativa L. · Oat
Saale Saaten GMBH
Phleum pratense L. · Timothy grass
Julén, Gösta