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.
Brassica napus var. napus · Rapeseed
KWS Kleinwanzlebener Saatzucht AG (DE)
Geranium L. · Crane's Bill
NATURALLY NATIVE NEW ZEALAND PLANTS LTD
Chrysanthemum L. · Chrysanthemum
Knaap, Jacques C. M. Van der|De Lier, Netherlands
Chrysanthemum L. · Chrysanthemum
Machin, Barrie J.|Littlehampton, England
Solanum tuberosum L. · Potato
Plaisted, PL
Impatiens L. · Balsam
Kientzler KG
Solanum lycopersicum L. · Tomato
PETOSEED CO
Solanum lycopersicum L. · Tomato
PETOSEED CO
Beta vulgaris Sugar Beet Group · Sugar beet
SAS FLORIMOND-DESPREZ Veuve et Fils
Sinapis alba L. · White mustard
FREUDENBERGER| Feldsaaten Freudenberger G.m.b.H. & Co. Kommanditgesellschaft
Lolium perenne L. · Perennial ryegrass
PROSEEDS MARKETING
Lolium perenne L. · Perennial ryegrass
SERGEANT SEEDS
x Triticosecale Wittm. ex A. Camus · Triticale
Saatzucht Dr. Hege GbR
Cucumis sativus L. · Cucumber
De Ruiter Zonen (HR)
Ficus benjamina L. · Weeping fig
Soeren Hvid c/o L. Daehnfeldt A/S
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium
Wilhelm Elsner
Brassica oleracea L. (Broccoli Group) · Broccoli
PETOSEED CO
Zea mays L. · Maize
PIONEER OVERSEAS CORPORATION
Zea mays L. subsp. mays (Maize Group) · Maize
PIONEER OVERSEAS CORPORATION US
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Triticum aestivum L. · Bread wheat
Ets Claude Camille Benoist SA (FR)
Gerbera L. · Gerbera
JAN L. EVELEENS
Chrysanthemum L. · Chrysanthemum
VAN DER JAGT MARTINUS