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.
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Zea mays L. subsp. mays (Maize Group) · Maize
Pioneer Hi-Bred International Inc (US)
Gossypium hirsutum L. · Upland cotton
D&PL Technology Holding Corp
Alstroemeria L. · Alstroemeria
VAN STAAVEREN BV (NL)
Dianthus caryophyllus L. · Carnation
VAN STAAVEREN B.V.
Saintpaulia ionantha H. Wendl. · African violet
Green Circle Growers
Dianthus caryophyllus L. · Carnation
B.V.H.V.STAAVEREN
Dianthus L. · Carnation
VAN STAAVEREN BV (NL)
Dianthus L. · Carnation
VAN STAAVEREN BV (NL)
Dianthus caryophyllus L. · Carnation
B.V.H.V.STAAVEREN
Chrysanthemum L. · Chrysanthemum
Jacques Stamens
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Alstroemeria L. · Alstroemeria
Lia Van Andel
Dianthus L. · Carnation
Jacob VAN ANDEL (NL)
Dianthus caryophyllus L. · Carnation
B.V.H.V.STAAVEREN
Alstroemeria L. · Alstroemeria
M. C. V. STAAVEREN
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Dianthus caryophyllus L. · Carnation
B.V.H.V.STAAVEREN
Zea mays L. subsp. mays (Maize Group) · Maize
KWS Saat AG, DE
Dianthus L. · Carnation
Jacob VAN ANDEL (NL)
Dianthus caryophyllus L. · Carnation
B.V.H.V.STAAVEREN
Dianthus L. · Carnation
VAN STAAVEREN BV (NL)
Allium porrum L. · Leek
Sativa coop (IT)
Daucus carota L. · Carrot
Bejo Zaden B.V.