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.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
PETOSEED CO
Festuca filiformis Pourr. · Fine-leaved sheep fescue
BARENBRUG HOLDING| Barenbrug Holding B.V.
Dianthus L. · Carnation
CANTERELLA LOUIS (FR)
Lolium perenne L. · Perennial ryegrass
Barenbrug Holland BV (NL)
Phlox L. · Phlox
Bartels Breeding B.V
Phlox paniculata L. · Garden phlox
Bartels, G.B.H.
Phaseolus vulgaris L. · Common bean
HAO-DEMETER Vine, Fruit Trees and Vegetable Research Institute
Brassica napus L. · Rapeseed
BARENBRUG HOLLAND
Lilium L. · Lily
FLOOR VLETTER
Begonia L. · Begonia
MARGARETE ROHDE-RIEGER (BEGONIEN-RIEGER)
Begonia L. · Begonia
Rohde-Rieger, Margarete
Beta vulgaris Sugar Beet Group · Sugar beet
WIELKOPOLSKA HODOWLA BURAKA CUKROWEGO SP.Z.O.O
Tulipa L. · Tulip
J. Koeman
Begonia L. · Begonia
Rohde, Hans-Joachim|Nurtingen, Federal Republic of Germany
Cucurbita pepo L. · Field pumpkin
ZERAIM GEDERA
Solanum lycopersicum L. · Tomato
Geoponiko Spiti AEBE
Ficus benjamina L. · Weeping fig
Gebr. W. van der Knaap
Lilium L. · Lily
FLOOR VLETTER
Glycine max (L.) Merr. · Soybean
Semences Prograin Inc
Zea mays L. · Maize
Bonastre, Jean-Bernard
Cichorium endivia L. · Endive
Semenarna Ljubljana, SI
Rubus L. · Blackberry
THE KENT INCORPORATED SOCIETY
Rosa L. · Rose
David C H Austin (GB)/Patricia J Austin (GB)
Vicia faba L. · Broad bean
Nilsson, Bengt