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.
Gladiolus L. · Gladiolus
Coöperatieve Kwekersvereniging “Horizon” U.A.
Bougainvillea Comm. ex Juss. · Bougainvillea
GARTNERIET LINDESKOV A/S
Capsicum annuum L. · Bell pepper
Zakład Hodowli Roślin Ogrodniczych Capsi-Nova
Fragaria L. · Strawberry
Hummel, Reinhold
Chrysanthemum L. · Chrysanthemum
Meek, Jack M.|Salinas, CA / Duffett, William E.|Salinas, CA
Lolium perenne L. · Perennial ryegrass
PURE SEED TESTING
Rosa L. · Rose
SOMERFIELD ROBIN BRUCE
Sorghum x drummondii (Steud.) Millsp. & Chase · Sudangrass
Dekalb Genetics Corporation (usa) (US)
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
SCHLEMMER| Ursel Schlemmer-Springmann
Sorghum bicolor (L.) Moench · Sorghum
Zea mays L. subsp. mays (Maize Group) · Maize
Hodowla Roslin Smolice Sp.z o.o Grupa IHAR
Avena sativa L. · Oat
Hodowla Roslin Strzelce Sp z.o.o. Grupa IHAR
Glycine max (L.) Merr. · Soybean
Iowa Agriculture and Home Economics Experiment Station
Solanum melongena L. · Eggplant
HAO-DEMETER Institute of Plant Breeding and Genetic Resources
Gossypium hirsutum L. · Upland cotton
HAO-DEMETER Cotton and Industrial Crops Institute
Silybum marianum (L.) Gaertn. · Milk thistle
Výzkumný ústav pro farmacii a biochemii (CZ)
Yucca L. · Yucca
HENK IBES HOLLAND B.V.
Gerbera L. · Gerbera
FLORIST HOLLAND B.V.
Glycine max (L.) Merr. · Soybean
Minnesota Agricultural Experiment Station
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Novartis Seeds AG (CH)
Lilium L. · Lily
Herut Yahel
Lonicera L. · Honeysuckle
O.E. MESSENGER
Dianthus caryophyllus L. · Carnation
GIDEON SCOVEL