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.
Festuca rubra L. subsp. commutata Markgr.-Dann. · Chewings fescue
Anthurium Schott · Anthurium
hybrids between Solanum lycopersicum L. and S. habrochaites S. Knapp & D.M. Spooner
Capsicum annuum L. · Bell pepper
Poljoprivredni zavod BL (BA)
Rubus L. · Blackberry
Brassica oleracea L. (White Cabbage Group) · White cabbage
Nickerson Zwaan B.V. (NL)
Rosa L. · Rose
Juglans regia L. · Persian walnut
PF N. Sad vocarstvo (YU)
Hippeastrum Herb. · Amaryllis
Rubus L. · Blackberry
Solanum tuberosum L. · Potato
Saintpaulia ionantha H. Wendl. · African violet
Achillea collina Becker ex Rchb.
Pyrus communis L. · European pear
Anthurium Schott · Anthurium
Anthurium Schott · Anthurium
Anthurium Schott · Anthurium
Cichorium intybus L. · Chicory
SUBA (IT)
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
J. Wagner (DE)
Pisum sativum L. · Pea
Asgrow (IT)
Lilium L. · Lily
Tilia cordata Mill. · Small-leaved lime
Lactuca sativa L. · Lettuce
Raphanus sativus L. var. sativus · Radish