Nursery or breeding house
KEISEI ROSE NURSERIES INC
33 US plant patents, granted between 1993 and 2025.
On the name: these patents were filed under 2 spellings, counted together here — KEISEI ROSE NURSERIES INC (32), Keisei Rose Nurseries (1).
Filed under the KEISEI name. Related entities are listed separately on the KEISEI search, because a company and a person are not the same filer even when the name matches.
Still under patent — 18 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- SunsurfpafurePP18616Petunia plant named ‘Sunsurfpafure’UNDER PATENTSeptember 27, 2026
- SunsurfmomoPP18624Petunia plant named ‘Sunsurfmomo’UNDER PATENTSeptember 27, 2026
- KeiananzuremPP19084Antirrhinum plant named ‘Keiananzurem’UNDER PATENTApril 30, 2027
- KeianmilkwamPP19087Antirrhinum plant named ‘Keianmilkwam’UNDER PATENTApril 30, 2027
- KeianichigorumPP19088Antirrhinum plant named ‘Keianichigorum’UNDER PATENTApril 30, 2027
- KeianmomoromPP19091Antirrhinum plant named ‘Keianmomorom’UNDER PATENTApril 30, 2027
- KeishisutokiPP21199Rose plant named ‘Keishisutoki’UNDER PATENTSeptember 2, 2028
- KeisurfpusosPP22838Petunia plant named ‘Keisurfpusos’UNDER PATENTDecember 11, 2030
- KeisurfhopisesPP22839Petunia plant named ‘Keisurfhopises’UNDER PATENTDecember 11, 2030
- SunsurfsirouPP24453Petunia plant named ‘Sunsurfsirou’UNDER PATENTSeptember 18, 2032
- KeisurflipinasPP25240Petunia plant named ‘Keisurflipinas’UNDER PATENTApril 23, 2033
- KeisurfputemPP25147Petunia plant named ‘Keisurfputem’UNDER PATENTApril 25, 2033
- KeisurfbripitosPP25122Petunia plant named ‘Keisurfbripitos’UNDER PATENTMay 2, 2033
- KeianpinetumPP25324Antirrhinum plant named ‘Keianpinetum’UNDER PATENTJuly 18, 2033
- KeipekumehusPP35086Petunia plant named ‘Keipekumehus’UNDER PATENTSeptember 25, 2042
- KeipehabhamPP35250Petunia plant named ‘Keipehabham’UNDER PATENTSeptember 25, 2042
- KeipemokohosPP35999Petunia plant named ‘Keipemokohos’UNDER PATENTSeptember 25, 2043
- KeipebbcmamPP37071Petunia plant named ‘Keipebbcmam’UNDER PATENTMarch 1, 2045
Already in the public domain — 15 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.
- KeihaburuPP19509Hybrid Tea Rose Plant named ‘Keihaburu’PUBLIC DOMAINAugust 3, 2026
- KeipunesPP18323Petunia plant named ‘Keipunes’PUBLIC DOMAINMay 15, 2026
- SunsurfpapuPP16682Petunia plant named ‘Sunsurfpapu’PUBLIC DOMAINMay 28, 2025
- SuncopapinPP17087Petunia plant named ‘Suncopapin’PUBLIC DOMAINFebruary 15, 2025
- SuncopabluePP16355Petunia plant named ‘Suncopablue’PUBLIC DOMAINAugust 8, 2024
- SuncopahoPP16392Petunia plant named ‘Suncopaho’PUBLIC DOMAINJuly 20, 2024
- SunpatikiPP16297Petunia plant named ‘Sunpatiki’PUBLIC DOMAINJune 20, 2024
- SunpurplePP16358Petunia plant named ‘Sunpurple’PUBLIC DOMAINMay 11, 2024
- SunroveinPP16468Petunia plant named ‘Sunrovein’PUBLIC DOMAINMarch 20, 2024
- KeipabukasPP14748Petunia plant named KeipabukasPUBLIC DOMAINSeptember 12, 2022
- KEIreomPP14136Petunia plant named ‘KEIreom’PUBLIC DOMAINDecember 6, 2021
- Revolution MarrosePP10904Petunia plant named `Revolution Marrose`PUBLIC DOMAINDecember 6, 2016
- Revolution VioletPP9342Petunia plant named `Revolution Violet`PUBLIC DOMAINJuly 13, 2013
- Revolution PastelpinkPP8489Petunia plant named `Revolution Pastelpink`PUBLIC DOMAINNovember 13, 2012
- Revolution WhitePP8768Petunia plant named Revolution WhitePUBLIC DOMAINNovember 13, 2012