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.
Hordeum vulgare L. · Barley
HAO-DEMETER - Cereal Institute
Zea mays L. subsp. mays (Maize Group) · Maize
R 2n (FR)
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Brassica napus var. napus · Rapeseed
MONSANTO TECHNOLOGY
Beta vulgaris Sugar Beet Group · Sugar beet
Danisco Seed
Lactuca sativa L. · Lettuce
AUSTROSAAT Österr. Samenzucht- und Handels-AG
Chrysanthemum L. · Chrysanthemum
FRAMPTONS NURSERIES LTD
Brassica oleracea L. (White Cabbage Group) · White cabbage
Hybrids Ellas Abee
Hordeum vulgare L. · Barley
SAATZUCHT FIRLBECK GMBH and CO KG
Beta vulgaris Sugar Beet Group · Sugar beet
Societe Europeenne de Semences NV/SA (BE)
Solanum tuberosum L. · Potato
Sloots Solanum BV (NL)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
GOLDEN WEST SEED RESEARCH Co.
Saintpaulia ionantha H. Wendl. · African violet
Green Circle Growers
Solanum tuberosum L. · Potato
Sloots Solanum BV (NL)
Zea mays L. subsp. mays (Maize Group) · Maize
SOGES (FR)
Chrysanthemum L. · Chrysanthemum
V., Camilo Herrera|Bogota, Colombia / Saavedra, Reinaldo|Bogota, Colombia
Avena sativa L. · Oat
NILS O.HAGBERTH & PER LUNDIN
Chrysanthemum L. · Chrysanthemum
Fides
Aubrieta Adans. · Rock cress
M A and M ROBINSON and J SHARDLOW
Lilium L. · Lily
McRae, Edward A|Boring, OR
Aster L. · Aster
Peter Akerboom
Chrysanthemum L. · Chrysanthemum
PETER COPSEY
Phaseolus vulgaris L. · Common bean
NOVARTIS SEEDS
Zea mays L. · Maize
TAUCHER ROBERT