Plant
Regal pelargonium
11 US plant patents name this plant. 11 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 11 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.
- Elegance SilverPP15770Regal pelargonium named ‘Elegance Silver’PUBLIC DOMAINMarch 27, 2024
- CamelotPP13209Regal pelargonium plant named ‘Camelot’PUBLIC DOMAINApril 6, 2021
- SymphonyPP11927Regal pelargonium plant named ‘Symphony’PUBLIC DOMAINJune 18, 2019
- FascinationPP11989Regal pelargonium plant named ‘Fascination’PUBLIC DOMAINJune 18, 2019
- DandyPP11697Regal pelargonium plant named `Dandy`PUBLIC DOMAINSeptember 30, 2018
- ExcaliburPP11578Regal pelargonium plant named `Excalibur`PUBLIC DOMAINSeptember 29, 2018
- BrilliancePP11582Regal pelargonium plant named `Brilliance`PUBLIC DOMAINSeptember 29, 2018
- ImperialPP11596Regal pelargonium plant named `Imperial`PUBLIC DOMAINSeptember 29, 2018
- Maiden PetticoatPP11712Regal pelargonium plant named `Maiden Petticoat`PUBLIC DOMAINSeptember 8, 2018
- MonarchPP12131Regal pelargonium plant named ‘Monarch’PUBLIC DOMAINJuly 21, 2018
- 315-(83-48-1)PP7656Regal pelargonium `315-(83-48-1)`PUBLIC DOMAINJuly 21, 2009
Botanically this is Pelargonium. 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.