Plant
Liriope
16 US plant patents name this plant. 5 have expired, so those cultivars are free to propagate and sell. The next of the 11 still protected comes off patent on March 20, 2028.
Still under patent — 11 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- LIRJPP20116Liriope muscari plant named ‘LIRJ’UNDER PATENTMarch 20, 2028
- LIRFPP20622Liriope muscari plant named ‘LIRF’UNDER PATENTJune 10, 2028
- LIRTPPP20623Liriope muscari plant named ‘LIRTP’UNDER PATENTJune 10, 2028
- Sno ConePP20605Liriope plant named ‘Sno Cone’UNDER PATENTOctober 23, 2028
- EXC 052PP21352Liriope plant named ‘EXC 052’UNDER PATENTApril 20, 2029
- ET-LIR 2PP25181Liriope plant named ‘ET-LIR 2’UNDER PATENTMay 8, 2033
- ET-LIR 1PP25180Liriope plant named ‘ET-LIR 1’UNDER PATENTMay 13, 2033
- PontoviaPP25670Liriope gigantea plant named ‘Pontovia’UNDER PATENTDecember 6, 2033
- LIRSSPP27570Liriope muscari plant named ‘LIRSS’UNDER PATENTFebruary 20, 2035
- NongmnPP27434Liriope plant named ‘Nongmn’UNDER PATENTMarch 13, 2035
- Fan DancerPP30414Liriope plant named ‘Fan Dancer’UNDER PATENTJanuary 18, 2038
Already in the public domain — 5 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- MarantPP20207Liriope plant named ‘Marant’PUBLIC DOMAINMay 11, 2026
- CassidyPP16215Liriope plant named ‘Cassidy’PUBLIC DOMAINJanuary 22, 2025
- BigunPP15474Liriope muscari plant named ‘Bigun’PUBLIC DOMAINMay 14, 2024
- Love Potion No. 13PP15471Liriope muscari plant named ‘Love Potion No. 13’PUBLIC DOMAINAugust 19, 2022
- Merton JacobsPP12068Liriope gigantea plant named ‘Merton Jacobs’PUBLIC DOMAINOctober 18, 2019
Botanically this is Liriope. A patent expiring frees the plant, and its cultivar name with it — cultivar names cannot be trademarked. Any brand name it is sold under is a separate thing and may still be owned.