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
Syngenta Seeds
Zea mays L. · Maize
PAU SEMENCES
Hordeum vulgare L. · Barley
Secobra Saatzucht
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P
Chrysanthemum L. · Chrysanthemum
VandenBerg, C P
Chrysanthemum L. · Chrysanthemum
VandenBerg, C P
Chrysanthemum L. · Chrysanthemum
Knaap, Jacques C. M. van der|DeLier, Netherlands
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Beta vulgaris Sugar Beet Group · Sugar beet
NOVARTIS SEEDS
Hordeum vulgare L. · Barley
YNGVE HÖRBERG & PER LUNDIN
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Syngenta Seeds B.V.
Chrysanthemum L. · Chrysanthemum
VAN DER JAGT MARTINUS
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Sakata Seed Corporation, JP
Triticum aestivum L. · Bread wheat
Nickerson Seeds Ltd (GB)/Nickerson SA (FR)
Phaseolus vulgaris L. · Common bean
Seminis Vegetable Seeds (NL)
Helianthus annuus L. · Sunflower
Rustica Prograin Genetique SA (FR)
Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage
Bejo Zaden BV (NL)
Beta vulgaris Sugar Beet Group · Sugar beet
Strube-Dieckmann GmbH&Co.KG
Solanum tuberosum L. · Potato
Ragis Kartoffelsucht und Handelsgesellschaft (DE)