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.
Prunus domestica L. · European plum
Lietuvos agrarinių ir miškų mokslų centro filialas Sodininkystės ir daržininkystės institutas
Prunus domestica L. · European plum
Norman Glen Bradford (US)/Lowell Glen Bradford (US)
Symphoricarpos Duham. · Snowberry
Catharina Maria Hoekstra-Arisz
Lilium L. · Lily
Vletter & Den Haan Beheer B.V
Solanum melongena L. · Eggplant
GOLDEN WEST SEED RESEARCH Co.
Festuca arundinacea Schreb. · Tall fescue
Oseva Uni a.s.
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Euralis Génétique (FR)
Phaseolus vulgaris L. · Common bean
Henricius J.M. Prins
Streptocarpus Lindl. · Cape Primrose
Achim Fleischle
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
R 2n (FR)
Brassica napus var. napus · Rapeseed
Ministere de I' Agriculture I. N. R. A. (FR)
Asparagus officinalis L. · Asparagus
Semenarna Ljubljana, SI
Nicotiana tabacum L. · Tobacco
Naučen institut za tutun - Prilep, MK
Brassica oleracea L. (Brussels Sprouts Group) · Brussels sprouts
Instytut Ogrodnictwa - Państwowy Instytut Badawczy
Asparagus officinalis L. · Asparagus
Semenarna Ljubljana, SI
Poa pratensis L. · Kentucky bluegrass
D J Van der Have BV (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER OVERSEAS CORPORATION US
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-bred International Inc. (USA)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-bred International Inc. (USA)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-bred International Inc. (USA)