Nursery or breeding house
HOKKEN CO LTD
2 US plant patents, granted between 2002 and 2023.
Filed under the HOKKEN name. Related entities are listed separately on the HOKKEN search, because a company and a person are not the same filer even when the name matches.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- HS911PP35498Shiitake mushroom named ‘HS911’UNDER PATENTFebruary 22, 2043
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- HS607PP12928Shiitake mushroom plant named ‘HS607’PUBLIC DOMAINOctober 23, 2020