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
Pioneer Hi-Bred International Inc (US)
Helianthus annuus L. · Sunflower
Union des Cooperatives de Semences de Tournesol (FR)/Institut National de la Recherche Agronomique (FR)
Triticum aestivum L. · Bread wheat
SNC BELLOY OBTENTION (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Neillia D. Don
DE BRUIJN BARTHO
Cucurbita pepo L. · Field pumpkin
Pisum sativum L. · Pea
Andre Blondeau Semences (FR)
Zea mays L. subsp. mays (Maize Group) · Maize
Rustica Prograin Genetique SA (FR)
Nigella
Freek Zandbergen
Beta vulgaris Leaf Beet Group · Swiss chard
Chrysanthemum L. · Chrysanthemum
Chrysanthemum Breeders Association Research B.V.
Phacelia tanacetifolia Benth. · Lacy phacelia
Brassica oleracea L. (Broccoli Group) · Broccoli
Geoponiko Spiti AEBE
Trifolium repens L. · White clover
Bc Institut d.d. Zagreb (HR)
Pisum sativum L. · Pea
Dr. Hans Buttenschön
Zea mays L. subsp. mays (Maize Group) · Maize
Custom Farm Seed (US)
Chrysanthemum L. · Chrysanthemum
Chrysanthemum Breeders Association Research B.V.
Beta vulgaris Garden Beet Group · Garden beet
Bejo Zaden B.V.
Zea mays L. subsp. mays (Maize Group) · Maize
Maisadour Societe Cooperative Agricole (FR)
Malus domestica (Suckow) Borkh. · Apple
LANE CRIPPS JOHN ERNEST
Saintpaulia ionantha H. Wendl. · African violet
Fischer, Arnold W.|Hanover, Federal Republic of Germany
Lactuca sativa L. · Lettuce
Syngenta Participations AG
Zea mays L. subsp. mays (Maize Group) · Maize
Maisadour Semences, FR
Spinacia oleracea L. · Spinach
WAGNER| Julius Wagner GmbH