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.
Triticum aestivum L. · Bread wheat
Jost Sjeme-istraživanja j.d.o.o. (HR)
Pelargonium L'Hér. ex Ait. · Geranium
Siegfried KLEMM (DE)
Pelargonium L'Hér. ex Ait. · Geranium
Selecta Klemm GmbH & Co. KG
Pelargonium L'Hér. ex Ait. · Geranium
Siegfried Klemm
Pelargonium L'Hér. ex Ait. · Geranium
Siegfried Klemm
Dianthus caryophyllus L. · Carnation
Siegfried Klemm
Impatiens New Guinea Group · New Guinea Impatiens
Ludwig Kientzler
Zea mays L. · Maize
Samir Rady
Impatiens New Guinea Group · New Guinea Impatiens
Ludwig Kientzler
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Impatiens New Guinea Group · New Guinea Impatiens
Ludwig Kientzler
Impatiens New Guinea Group · New Guinea Impatiens
Ludwig Kientzler
Solanum tuberosum L. · Potato
P.BREED.INT.CAMBRIDGE
Aglaonema Schott. · Chinese Evergreen
PATTAYA GARDEN
Chrysanthemum L. · Chrysanthemum
FGB B.V.
Impatiens New Guinea Group · New Guinea Impatiens
Ludwig Kientzler
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Triticum durum Desf. · Durum wheat
Golden West Seed Co.
Hordeum vulgare L. · Barley
Muranyi Istvan / Pap Miklos / Diczhazi Istvan
Beta vulgaris Sugar Beet Group · Sugar beet
Florimond Desprez
Phaseolus vulgaris L. · Common bean
Rogers Brothers Seed Company
Lolium x hybridum Hausskn. · Hybrid ryegrass
Societe Eraf (FR)
Cucumis sativus L. · Cucumber
Zuta Z.
Spinacia oleracea L. · Spinach
Asgrow (IT)