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.
Erica carnea L. · Winter heath
Kurt Kramer (Heidezüchtung)
Lilium L. · Lily
Riet, Joseph E. J. van|Koewachtsteenweg 7, 9080 Moerbeke-Waas, Belgium
Exacum L. · Persian violet
ROSENDALS EX-PLANTS APS
Gentiana L. · Gentian
Kuipers Toon B.V.
Dianthus L. · Carnation
P.Kooij & Zonen B.V.
Lilium L. · Lily
J.W.A VAN der WERELD (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
R 2n (FR)
Triticum durum Desf. · Durum wheat
Western Plant Breeders Inc.
Dianthus caryophyllus L. · Carnation
WEST SELECT| West Select B.V.
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Pisum sativum L. · Pea
WAVEREN| van Waveren Saaten GmbH
Dendrobium Sw. · Dendrobium
YAMAMOTO JIRO
Chrysanthemum L. · Chrysanthemum
A.G.P & M.P.M Vijverberg
Beta vulgaris Sugar Beet Group · Sugar beet
DLF Beet Seed ApS, DK
Zea mays L. subsp. mays (Maize Group) · Maize
D J Van der Have BV (NL)
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Brassica oleracea L. (Curly kale Group) · Curly kale
SPAETH HANS| Dr. Hans Rolf Spaeth
Astilbe Buch.-Ham. ex D. Don · False goat's beard
van Veen Jan G.
Triticum aestivum L. · Bread wheat
Orsem SA (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Tsujimoto Tateo|Yamamoto Masashi
Prunus dulcis (Mill.) D. A. Webb · Almond
SCHEAU VIORELSCHEAU VIOLETA
Triticum durum Desf. · Durum wheat
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Dieffenbachia Schott · Dumbcane
Edwin John Frazer
Valerianella locusta (L.) Laterr. · Corn salad
Domaine Public (FR)