Plant
Paeonia
18 US plant patents name this plant. 0 have expired, so those cultivars are free to propagate and sell. The next of the 18 still protected comes off patent on January 25, 2028.
Still under patent — 18 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Singing in the rain IIPP19374Paeonia plant named ‘Singing in the rain II’UNDER PATENTJanuary 25, 2028
- Smith Opus 1PP22192Paeonia plant named ‘Smith Opus 1’UNDER PATENTSeptember 9, 2030
- Smith Opus 2PP22374Paeonia plant named ‘Smith Opus 2’UNDER PATENTSeptember 9, 2030
- HR 01PP24048Paeonia plant named ‘HR 01’UNDER PATENTMarch 15, 2032
- RTPIV789-06PP26908Paeonia plant named ‘RTPIV789-06’UNDER PATENTJuly 31, 2034
- RTPIV791-38PP26909Paeonia plant named ‘RTPIV791-38’UNDER PATENTAugust 19, 2034
- RTPIV790-01PP26907Paeonia plant named ‘RTPIV790-01’UNDER PATENTSeptember 11, 2034
- RTPIV791-09PP29338Paeonia plant name ‘RTPIV791-09’UNDER PATENTJanuary 19, 2037
- RTPIV791-01PP29358Paeonia plant named ‘RTPIV791-01’UNDER PATENTJanuary 19, 2037
- Smithopus7PP36810Paeonia plant named ‘Smithopus7’UNDER PATENTDecember 3, 2044
- Smithopus10PP36924Paeonia plant named ‘Smithopus10’UNDER PATENTDecember 3, 2044
- Smithopus5PP37003Paeonia plant named ‘Smithopus5’UNDER PATENTDecember 3, 2044
- Smithopus6PP37004Paeonia plant named ‘Smithopus6’UNDER PATENTDecember 3, 2044
- Smithopus8PP36962Paeonia plant named ‘Smithopus8’UNDER PATENTDecember 12, 2044
- Smithopus3PP37005Paeonia plant named ‘Smithopus3’UNDER PATENTDecember 12, 2044
- Smithopus4PP37216Paeonia plant named ‘Smithopus4’UNDER PATENTJuly 9, 2045
- Smithopus12PP37385Paeonia plant named ‘Smithopus12’UNDER PATENTJuly 9, 2045
- Smithopus11PP37425Paeonia plant named ‘Smithopus11’UNDER PATENTJuly 9, 2045
Botanically this is Paeonia. 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.