Breeder
ROSEN TANTAU MATHIAS TANTAU NA
10 US plant patents, granted between 2002 and 2009.
Filed under the ROSEN name. Related entities are listed separately on the ROSEN search, because a company and a person are not the same filer even when the name matches.
Still under patent — 1 cultivar
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- TAN01360PP20621Floribunda rose plant having large flowers and named ‘TAN01360’UNDER PATENTDecember 12, 2027
Already in the public domain — 9 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.
- TAN97274PP18278Rose plant named ‘TAN97274’PUBLIC DOMAINOctober 14, 2025
- TAN98110PP17942Ground cover rose plant named ‘TAN98110’PUBLIC DOMAINAugust 14, 2025
- TAN01994PP16463Hybrid tea rose plant named ‘TAN01994’PUBLIC DOMAINDecember 12, 2024
- TAN97544PP16697Hybrid Tea Rose plant named ‘TAN97544’PUBLIC DOMAINNovember 1, 2024
- TAN98485PP14410Hybrid tea rose plant named ‘TAN98485’PUBLIC DOMAINFebruary 13, 2023
- TANrelcigPP14763Hybrid tea rose plant named ‘TANrelcig’PUBLIC DOMAINAugust 27, 2022
- TANalepinPP14091Hybrid tea rose plant named ‘TANalepin’PUBLIC DOMAINOctober 31, 2021
- TanabamarPP13396Rose plant named ‘Tanabamar’PUBLIC DOMAINDecember 20, 2020
- TanfulltaxPP12823Rose plant named ‘Tanfulltax’PUBLIC DOMAINNovember 11, 2019