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.
Pisum sativum L. · Pea
ZKI, H
Chrysanthemum L. · Chrysanthemum
WILLIAM E DUFFETT
Beta vulgaris Sugar Beet Group · Sugar beet
Van der Have Sugarbeet (NL)
Zea mays L. · Maize
SUDWESTSAAT GBR
Cucumis melo L. · Melon
Seminis SVS Holland, NL
Rosa L. · Rose
Frank Bart Schuurman
Aster L. · Aster
MICHA DANSIGER
Impatiens L. · Balsam
LYNDON W. DREWLOW C/O MIKKELSENS INC.
Aster L. · Aster
MICHA DANSIGER
Zea mays L. · Maize
Dr. Frank K. Roeber
Impatiens L. · Balsam
LYNDON W. DREWLOW C/O MIKKELSENS INC.
Spinacia oleracea L. · Spinach
ZWAAN SAMENZUCHT| Rijk Zwaan Welver GmbH Gemuesezuechtung & Saatguthandel
Pisum sativum L. · Pea
Limagrain Europe S.A.
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Takii & Company Ltd
Alstroemeria L. · Alstroemeria
Jacob VAN ANDEL (NL)
Dianthus caryophyllus L. · Carnation
van Zanten Plants b.v
Brassica napus var. napus · Rapeseed
Lantmännen SW Seed
Chrysanthemum L. · Chrysanthemum
WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT
Alstroemeria L. · Alstroemeria
M. C. V. STAAVEREN
Triticum aestivum L. · Bread wheat
Lantmannen SW Seed AB, SE-268 81 Svalof
Hordeum vulgare L. · Barley
PLANT BREEDING INTERNATIONAL CAMBRIDGE
Lolium perenne L. · Perennial ryegrass
AFBI
Brassica napus var. napus · Rapeseed
RUSTICA PROGRAIN| Rustica Prograin Genetique (Societe Anonyme)
Zea mays L. subsp. mays (Maize Group) · Maize
Advanta Seeds B.V. (NL)