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.
Secale cereale L. · Rye
Landwirtschaftliche Fachschule Edelhof Saatzucht
Apium graveolens L. var. dulce (Mill.) Pers. · Celery
Seminis Vegetable Seeds
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Secale cereale L. · Rye
KOECHLING| Dr. J. Koechling in Fa. Saatzucht Petkus GmbH / ERFURTH LUTZ| Lutz Erfurth in Fa. Saatzucht Petkus GmbH / SCHULZ R.| R. Schulz in Fa. Saatzucht Petkus GmbH
Triticum aestivum L. · Bread wheat
Mauthner Warenhandels- und Vermögensverwaltungs GmbH
Tulipa L. · Tulip
LEVENSLUST B.V.
hybrids between Pelargonium peltatum and Pelargonium zonale · Ivy-leaved geranium
Syngenta Seeds B.V.
Dianthus caryophyllus L. · Carnation
West Stek B.V.
Triticum durum Desf. · Durum wheat
Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA)
Lens culinaris Medik. · Lentil
HAO-DEMETER-Fodder Crops and Pastures Institute
Rosa L. · Rose
Paul Pekmez (FR)
Lilium L. · Lily
McRae, Edward A|Boring, OR
Hydrangea L. · Hydrangea
Yatabe Mototeru
Gossypium hirsutum L. · Upland cotton
DR.DELBERT HESS
Phaseolus vulgaris L. · Common bean
HAO-DEMETER Vine, Fruit Trees and Vegetable Research Institute
Lolium multiflorum Lam. ssp. italicum (A. Br.) Volkart · Italian ryegrass
Norddeutsche Pflanzenzucht Hans-Georg Lembke KG
Lilium L. · Lily
GEBR VLETTER and DEN HAAN
Kalanchoe Adans. · Kalanchoe
Andre Smaal
Capsicum annuum L. · Bell pepper
DAEHNFELD L. A/S
Hordeum vulgare L. · Barley
Probstdorfer Saatzucht Ges.m.b.H & Co KG
Beta vulgaris Sugar Beet Group · Sugar beet
Breeding Division of Hellenic Sugar Industry
Phlox drummondii Hook. · Annual phlox
SLUIS & GROOT RESEARCH
Cichorium intybus L. · Chicory
C. E. Zimmermann (US)
Cichorium intybus L. · Chicory
C. E. Zimmermann (US)