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
KWS SAAT SE & CO.KGAA
Chrysanthemum L. · Chrysanthemum
Knaap, Jacques C. M. Van der|De Lier, Netherlands
Dianthus L. · Carnation
Siegfried KLEMM (DE)
Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium
Siegfried Klemm
Pelargonium L'Hér. ex Ait. · Geranium
Siegfried KLEMM (DE)
Pelargonium L'Hér. ex Ait. · Geranium
Siegfried KLEMM (DE)
Avena sativa L. · Oat
LANG DOERFLER SAATZUCHT. (DE)
Triticum aestivum L. · Bread wheat
Syngenta UK Ltd
Zea mays L. · Maize
Walter Schmidt^^^Walter Schmidt
Impatiens L. · Balsam
Kientzler K.G.
Solidago L. · Goldenrod
Kibaflor B.V.
Pisum sativum L. · Pea
INNOSEEDS| Innoseeds B.V.
Beta vulgaris Fodder Beet Group · Mangelwurzel
Societe Europeenne de Semences NV/SA (BE)
Pelargonium L'Hér. ex Ait. · Geranium
J Bick Griffith (US)
Chrysanthemum L. · Chrysanthemum
JACK M. MEEK & WILLIAM E. DUFFETT
Begonia L. · Begonia
Rohde, Hans J.|Nurtingen, Federal Republic of Germany
Lactuca sativa L. · Lettuce
Rijk Zwaan (NL)
Chrysanthemum L. · Chrysanthemum
MR. WILLIAM E. DUFFETT
Rosa L. · Rose
Kammeraad, Hendrik
Glycine max (L.) Merr. · Soybean
KWS| KWS SAAT AG
Zea mays L. subsp. mays (Maize Group) · Maize
Verneuil Recherche SA (FR)
Daucus carota L. · Carrot
Clause Semences SA (FR)
Allium porrum L. · Leek
Bejo Zaden B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
SAS HM Clause (FR)