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.
Hordeum vulgare L. · Barley
PLANT BREEDING INTERNATIONAL CAMBRIDGE
Zea mays L. subsp. mays (Maize Group) · Maize
Coop de Pau SCA (FR)
Phaseolus vulgaris L. · Common bean
Seminis Vegetable Seeds
Lactuca sativa L. · Lettuce
Seminis Vegetable Seeds
Glycine max (L.) Merr. · Soybean
TRANSEED
Beta vulgaris Sugar Beet Group · Sugar beet
Kuhn & Co International B.V. (NL)
Brassica napus L. · Rapeseed
Yutta Deterinh, Asmus Soren Petersen,
Festuca rubra L. · Red fescue
Alicja Ramenda
Zea mays L. · Maize
RAGT| RAGT (Societe Anonyme)
Triticum aestivum L. · Bread wheat
Nickerson SA (FR)
Solanum tuberosum L. · Potato
STET Holland B.V.
Beta vulgaris Sugar Beet Group · Sugar beet
C.E.R.E.S. (FR)
Beta vulgaris Sugar Beet Group · Sugar beet
VANDERHAVE SUGAR BEET SEED
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Genetics Grandes Cultures SA (FR)
Triticum aestivum L. · Bread wheat
Nickerson International Research S.N.C.
Brassica napus var. napus · Rapeseed
KWS SAAT SE & CO.KGAA
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Pisum sativum L. · Pea
Svalof Weibull AB
Brassica napus var. napus · Rapeseed
SVENSK HANS
Lactuca sativa L. · Lettuce
Rijk Zwaan Zaadteelt en Zaadhandel BV (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
Limagrain Genetics Grandes Cultures SA (FR)
Triticum aestivum L. · Bread wheat
Nordsaat Saatzuchtgesellschaft m.b.H. (DE)
Beta vulgaris Sugar Beet Group · Sugar beet
Hilleshog AB (SE)
Sinapis alba L. · White mustard
FRANCK DR. PETER| Dr. Peter Franck Pflanzenzucht Oberlimpurg