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 rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Seminis Vegetable Seeds
Helianthus annuus L. · Sunflower
DEKALB AGR. RESEARCH INC.
Gossypium hirsutum L. · Upland cotton
William V. Hugie.
Gossypium hirsutum L. · Upland cotton
MONSANTO TECHNOLOGY
Solanum lycopersicum L. · Tomato
Tezier SA (FR)
Zea mays L. · Maize
Karpenko Ol`ha Mykolaivna, Kravchenko Viktor Mykolaiovych, Borysov Viktor Mykolaiovych, Hontarovs`kyi V'iacheslav Opanasovych, Kostiuchenko Viktor Ivanovych,
Zea mays L. subsp. mays (Maize Group) · Maize
MONSANTO TECHNOLOGY
Zea mays L. · Maize
Eckhard Holzhausen
Zea mays L. · Maize
MONSANTO TECHNOLOGY
Zea mays L. subsp. mays (Maize Group) · Maize
SOCKALB
Daucus carota L. · Carrot
Service Officiel de Controle (FR)
Gossypium hirsutum L. · Upland cotton
Seed Source Inc.
Glycine max (L.) Merr. · Soybean
Fueloep Jozsefne / Baliko Sandor / Szabo Janos / Turi Janos
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
AG Alumni Seed, USA
Zea mays L. · Maize
Rene Baratin
Aster L. · Aster
Ziv D.
Medicago sativa L. · Alfalfa
W-L Research
Lactuca sativa L. · Lettuce
Seminis Vegetable Seeds
Vitis vinifera L. · Common grape vine
LLOYD/HAROLD/AUSTIN
Vitis vinifera L. · Common grape vine
LLOYD/HAROLD/AUSTIN
Solanum tuberosum L. · Potato
Y.P. van der Werff (NL)
Lactuca sativa L. · Lettuce
Harris Moran Seed Company
Delphinium L. · Larkspur
Westhoff
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
Saatzucht Quedlinburg-DE