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.
Lolium perenne L. · Perennial ryegrass
Euro Grass Breeding GmbH Co. KG
Lolium perenne L. · Perennial ryegrass
Dipl.Ing.agr. Heiner Busch in Fa. Deutsche Saatveredelung AG / Dr. Ulf Feuerstein
Festuca rubra L. · Red fescue
Ir. C.W. van den Bogaert c/o Zelder B.V.
Brassica napus var. napus · Rapeseed
Heinrich Busch^^^HAUSKA D.
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Pisum sativum L. · Pea
Poljoprivredni Institut Osijek, HR
Cucumis sativus L. · Cucumber
Royal Sluis (NL)
Lilium L. · Lily
McRae, Edward A|Boring, OR
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Trifolium pratense L. · Red clover
Graminor AS, N-2322 Ridabu
Allium porrum L. · Leek
L. DÆHNFELDT A/S
Zea mays L. · Maize
KWS SAAT SE & CO.KGAA
Begonia L. · Begonia
Man, Jan|Lisse, Netherlands
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-bred International Inc. (USA)
Fragaria L. · Strawberry
VERHAEGH JACOBUS JOHANNES
Triticum aestivum L. · Bread wheat
Y.EFRAT/VULCANI C
Triticum aestivum L. · Bread wheat
Graminor AS, N-2322 Ridabu
Zea mays L. · Maize
Lifaco Seed Corporation
Avena sativa L. · Oat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Zea mays L. · Maize
Dr. Karl-Dieter Alber in Fa. KWS SAAT SE / Dr. W. Schmidt in Fa. KWS SAAT SE / H.G. Seifert in Fa. KWS SAAT SE
Avena sativa L. · Oat
BERTHOLD BAUER
Capsicum annuum L. · Bell pepper
Przedsiebiorstwo Nasiennictwa Ogrodniczego i Szkolkarstwa Spolka Akcyjna w upadlosci likwidacyjnej
Solanum tuberosum L. · Potato
SATIVA (CZ)
Hordeum vulgare L. · Barley
Hristo Gorastev, Nikolay Toshev, Stoyka Grancharova, Nevenka Ganusheva