Plant
Campsis
11 US plant patents name this plant. 3 have expired, so those cultivars are free to propagate and sell. The next of the 8 still protected comes off patent on January 10, 2027.
Still under patent — 8 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- RutcamPP19415Campsis plant named ‘Rutcam’UNDER PATENTJanuary 10, 2027
- TarantellaPP19657Campsis plant named ‘Tarantella’UNDER PATENTFebruary 4, 2028
- Takarazuka ZujinPP23904Campsis plant named ‘Takarazuka Zujin’UNDER PATENTMay 12, 2032
- Takarazuka FresaPP23917Campsis plant named ‘Takarazuka Fresa’UNDER PATENTMay 12, 2032
- Takarazuka YellowPP23918Campsis plant named ‘Takarazuka Yellow’UNDER PATENTMay 13, 2032
- Mincamja3PP32931Campsis plant named ‘Mincamja3’UNDER PATENTSeptember 30, 2039
- HOCH128PP34699Campsis plant named ‘HOCH128’UNDER PATENTFebruary 10, 2042
- MINCAMROUG13PP37083Campsis plant named ‘MINCAMROUG13’UNDER PATENTNovember 14, 2044
Already in the public domain — 3 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.
- HOMRPP18394Campsis plant named ‘HOMR’PUBLIC DOMAINAugust 31, 2026
- HuitanPP16656Campsis plant named ‘Huitan’PUBLIC DOMAINSeptember 9, 2024
- Takarazuka variegatedPP12245Campsis radicans named ‘Takarazuka variegated’PUBLIC DOMAINOctober 4, 2019
Botanically this is Campsis. 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.