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.
Petroselinum crispum (Mill.) Nyman ex A. W. Hill · Parsley
Semenarna Ljubljana, SI
Raphanus sativus L. var. sativus · Radish
Tezier SA (FR)
Poa pratensis L. · Kentucky bluegrass
Loft's Seed Inc. (US)
Gossypium hirsutum L. · Upland cotton
HAO-DEMETER Cotton and Industrial Crops Institute
Prunus cerasifera Ehrh. · Cherry plum
Zea mays L. · Maize
MTA Agrártudományi Kutatóközpont MGI, Martonvásár
Dianthus caryophyllus L. · Carnation
M. C. V. STAAVEREN
Rosa L. · Rose
Sam McGredy Roses International
Zea mays L. subsp. mays (Maize Group) · Maize
Dow AgroSciences VmbH.
Kalanchoe Adans. · Kalanchoe
FIDES BEHEER B.V
Zea mays L. · Maize
ANTOHE ION
Rosa L. · Rose
VAN DE LAAK (NL)
Hydrangea L. · Hydrangea
HOFMANN CHRISTA| Dipl.Ing. Christa Hofmann
Capsicum annuum L. · Bell pepper
Institut za povrtarstvo, S.Palanka
Hordeum vulgare L. · Barley
Agricultural Research Institute
Gerbera L. · Gerbera
BOERS PETER
Alstroemeria L. · Alstroemeria
Cor Van Duyn
Triticum aestivum L. · Bread wheat
Nickerson Seeds Ltd (GB)/Nickerson SA (FR)
Kalanchoe Adans. · Kalanchoe
MR. CLAUD HOPE C/O PAN AMERICA PLANT COMPANY
Tulipa L. · Tulip
REUS C. TH. FA
Lactuca sativa L. · Lettuce
Harris Moran Seed Company
Tulipa L. · Tulip
J.W. Reus Bloembollen B.V.
Allium porrum L. · Leek
Semenarna Ljubljana, SI
Hordeum vulgare L. · Barley
Secobra Recherches, FR