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.
Glycine max (L.) Merr. · Soybean
First Line Seeds Ltd (CA)
Chrysanthemum L. · Chrysanthemum
Vandenberg Cornelis P
Triticum durum Desf. · Durum wheat
Syngenta Seeds SAS, FR
Hordeum vulgare L. · Barley
Nickerson Seeds Ltd (GB)
Triticum aestivum L. · Bread wheat
SECOBRA RECHERCHES S.A.S
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Chrysanthemum L. · Chrysanthemum
Knapp, Jacques C. M. van der|De Lier, Netherlands
Lactuca sativa L. · Lettuce
Royal Sluis Vegetables BV (NL)
Pisum sativum L. · Pea
Seminis Vegetable Seeds
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Hordeum vulgare L. · Barley
Sejet Planteforaedling I,S
Allium cepa L. var. cepa · Onion
Hazera Seeds B.V.
Lactuca sativa L. · Lettuce
Hazera Seeds B.V.
Triticum aestivum L. · Bread wheat
PLANT BREEDING INTERNATIONAL CAMBRIDGE
Chrysanthemum L. · Chrysanthemum
Knaap, Jacques C. M. Van der|De Lier, Netherlands
Beta vulgaris Sugar Beet Group · Sugar beet
VANDERHAVE SUGAR BEET B.V
Hordeum vulgare L. · Barley
PLANT BREEDING INTERNATIONAL CAMBRIDGE
Brassica oleracea L. (Cauliflower Group) · Cauliflower
SVS Holland B.V.
Helianthus annuus L. · Sunflower
CAUSSADE SEMENCES
Festuca arundinacea Schreb. · Tall fescue
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Helianthus annuus L. · Sunflower
Pioneer Hi-Bred International Inc (US)
Lactuca sativa L. · Lettuce
Syngenta Seeds B.V.
Allium cepa L. var. cepa · Onion
Syngenta Seeds B.V.
Impatiens L. · Balsam
Kientzler KG