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.
Chrysanthemum L. · Chrysanthemum
HOEK BREEDING BV
Cucumis melo L. · Melon
Alstroemeria L. · Alstroemeria
Duyn, Cornelis van|NA Rijnsburg, Netherlands
Impatiens L. · Balsam
Lyndon W Drewlow
Zea mays L. subsp. mays (Maize Group) · Maize
Pau Semences SA (FR)
Triticum aestivum L. · Bread wheat
Svalof Weibull AB
Solanum lycopersicum L. · Tomato
Asgrow (IT)
Hordeum vulgare L. · Barley
Saatzucht Dr.J. Ackermann (DE)
Daucus carota L. · Carrot
Enza Zaden Beheer B.V.
Cucumis melo L. · Melon
SLUIS Y GROOT SEMILLAS
Beta vulgaris Sugar Beet Group · Sugar beet
D.J.VAN DER HAVE
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. · Maize
SAATBAU LINZ EGEN
Helianthus annuus L. · Sunflower
Gabonatermesztesi Kutato Intezet - Instit Rech Prod Cereales (HU)/Institut TKI (HU)
Medicago sativa L. · Alfalfa
W-L Research
Rosa L. · Rose
Verbeek, G.
Triticum durum Desf. · Durum wheat
Golden West Seed Co.
Phaseolus vulgaris L. · Common bean
Royal Sluis Vegetables BV (NL)
Phaseolus vulgaris L. · Common bean
VILMORIN, S.A.
Solanum lycopersicum L. · Tomato
Les Graines Caillard Sa (FR)
Begonia L. · Begonia
GARTNERIEJER JENS NØRGAARD POULSEN
Linum usitatissimum L. · Common flax
Cooperative Liniere de Fontaine-Cany
Gossypium hirsutum L. · Upland cotton
GOLDEN WEST SEED RESEARCH Co.
Zea mays L. subsp. mays (Maize Group) · Maize
Syngenta Crop Protection AG, CH