Genus
Haworthia
13 US plant patents have been granted in this genus. 0 are already in the public domain — anyone may propagate and sell them. The next of the 13 still protected comes off patent on August 14, 2029.
Still under patent — 13 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- L1PP22241Haworthia plant named ‘L1’UNDER PATENTAugust 14, 2029
- African AlbinoPP24256Haworthia plant named ‘African Albino’UNDER PATENTJune 28, 2032
- AMSTERDAMPP24415Haworthia plant named ‘AMSTERDAM’UNDER PATENTOctober 19, 2032
- NEW YORKPP24400Haworthia plant named ‘NEW YORK’UNDER PATENTNovember 12, 2032
- CAPETOWNPP24412Haworthia plant named ‘CAPETOWN’UNDER PATENTNovember 12, 2032
- SEASTARPP26386Haworthia plant named ‘SEASTAR’UNDER PATENTMay 17, 2034
- SI HAW 7026PP29693Haworthia plant named “SI HAW 7026”UNDER PATENTMarch 3, 2037
- AMIHAW1801PP30399Haworthia plant named ‘AMIHAW1801’UNDER PATENTMarch 27, 2038
- AMIHAW1616PP31817Haworthia plant named ‘AMIHAW1616’UNDER PATENTMarch 5, 2039
- AMIHAW1811PP31954Haworthia hybrid plant named ‘AMIHAW1811’UNDER PATENTMay 29, 2039
- AMIHAW1911PP33026Haworthia hybrid plant named ‘AMIHAW1911’UNDER PATENTJune 8, 2040
- LOCK02PP33079Haworthia plant named ‘LOCK02’UNDER PATENTJune 19, 2040
- LIZARD KINGPP37264Haworthia plant named ‘LIZARD KING’UNDER PATENTApril 30, 2045
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.