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.
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Triticum aestivum L. · Bread wheat
S. A. FLORIMOND DESPREZ VEUVE ET FILS
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Beta vulgaris Sugar Beet Group · Sugar beet
KWS Saat AG, DE
Beta vulgaris Sugar Beet Group · Sugar beet
Maribo France SA (FR)
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Petoseed Co INC (US)
Zea mays L. · Maize
RAGT 2N S.A.S
Lolium perenne L. · Perennial ryegrass
W WEIBULL
Solanum lycopersicum L. · Tomato
Seminis Vegetable Seeds
Gerbera L. · Gerbera
Stravers, Lambertus J. M.|Kudelstaart, Netherlands
Gerbera L. · Gerbera
Stravers, Lambertus J. M.|Kudelstaart, Netherlands
Gerbera L. · Gerbera
Stravers, Lambertus J. M.|Kudelstaart, Netherlands
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Beta vulgaris Sugar Beet Group · Sugar beet
Lion Seeds LTD (GB)
Hordeum vulgare L. · Barley
Pflanzenzucht Oberlimpurg Dr. Peter Franck
Solanum tuberosum L. · Potato
Selekta Pacov, a.s., CZ
Rosa L. · Rose
Tantau, Mathias
Rosa L. · Rose
HANS JUGEN EVERS
Rosa L. · Rose
Rosen Tantau| DE
Rosa L. · Rose
HANS JUGEN EVERS
Helianthus annuus L. · Sunflower
Neculai Parvu Elena Andreea Teodorescu
Rosa L. · Rose
Rosen-Tantau Mathias Tantau Nachfolger
Lolium perenne L. · Perennial ryegrass
KWS| KWS SAAT AG