Genus
Thuja
60 US plant patents have been granted in this genus. 4 are already in the public domain — anyone may propagate and sell them. The next of the 56 still protected comes off patent on April 13, 2027.
Still under patent — 56 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- 4EVERPP19267Thuja plant named ‘4EVER’UNDER PATENTApril 13, 2027
- CongabePP19009Thuja plant named ‘Congabe’UNDER PATENTMay 9, 2027
- DaniellowPP20267Thuja plant named ‘Daniellow’UNDER PATENTSeptember 11, 2027
- American PillarPP20209Thuja occidentalis tree named ‘American Pillar’UNDER PATENTNovember 21, 2027
- MirjamPP20127Thuja plant named ‘Mirjam’UNDER PATENTFebruary 13, 2028
- De RaktPP19926Thuja plant named ‘De Rakt’UNDER PATENTMay 14, 2028
- Filips Magic MomentPP21974Thuja plant named ‘Filips Magic Moment’UNDER PATENTMarch 8, 2030
- Janed GoldPP21967Thuja plant named ‘Janed Gold’UNDER PATENTMarch 31, 2030
- Thusid 1PP22003Thuja plant named ‘Thusid 1’UNDER PATENTMay 12, 2030
- JantarPP22296Thuja plant named ‘Jantar’UNDER PATENTJune 24, 2030
- Art BoePP22174Thuja plant named ‘Art Boe’UNDER PATENTSeptember 9, 2030
- AnniekPP22813Thuja plant named ‘Anniek’UNDER PATENTNovember 26, 2030
- ConcesariniPP24013Thuja plant named ‘Concesarini’UNDER PATENTFebruary 13, 2032
- Golden AnnePP24012Thuja plant named ‘Golden Anne’UNDER PATENTJune 9, 2032
- Golden BrabantPP24746Thuja plant named ‘Golden Brabant’UNDER PATENTNovember 22, 2032
- Thusid2PP24421Thuja plant named ‘Thusid2’UNDER PATENTNovember 29, 2032
- MonPinPP25363Thuja plant named ‘MonPin’UNDER PATENTSeptember 7, 2033
- SMTOYBPP25388Thuja plant named ‘SMTOYB’UNDER PATENTSeptember 7, 2033
- SMTOTMPP25672Thuja plant named ‘SMTOTM’UNDER PATENTSeptember 7, 2033
- SMTOBPPP25700Thuja plant named ‘SMTOBP’UNDER PATENTSeptember 7, 2033
- Anna van VlotenPP25868Thuja plant named ‘Anna van Vloten’UNDER PATENTOctober 1, 2033
- BFC68PP26684Thuja hybrid plant named ‘BFC68’UNDER PATENTSeptember 5, 2034
- MonRigPP27067Thuja plant named ‘MonRig’UNDER PATENTSeptember 10, 2034
- RutThu#1PP26840Thuja plant named ‘RutThu#1’UNDER PATENTJanuary 14, 2035
- SpireandelaPP27984Arborvitae plant named ‘Spireandela’UNDER PATENTJune 21, 2035
- LesdasmaPP28507Thuja plant named ‘Lesdasma’UNDER PATENTJuly 23, 2035
- King of BrabantPP29678Thuja plant named ‘King of Brabant’UNDER PATENTMarch 3, 2037
- Hoogi023PP29652Thuja plant named ‘Hoogi023’UNDER PATENTMarch 20, 2037
- AttapulgusPP29404Thuja tree named ‘Attapulgus’UNDER PATENTApril 19, 2037
- SMNTOBABPP30761Thuja plant named ‘SMNTOBAB’UNDER PATENTNovember 30, 2037
- SMNTPGFPP30762Thuja plant named ‘SMNTPGF’UNDER PATENTNovember 30, 2037
- T p x T s Junior GiantPP31297Thuja plant named ‘T p x T s Junior Giant’UNDER PATENTNovember 6, 2038
- Northern SpirePP31298Thuja plant named ‘Northern Spire’UNDER PATENTNovember 6, 2038
- ThucavloPP31775Thuja plant named ‘Thucavlo’UNDER PATENTMarch 21, 2039
- RLH-CSPP32032Thuja tree named ‘RLH-CS’UNDER PATENTJuly 1, 2039
- RLH-GGPP32048Thuja tree named ‘RLH-GG’UNDER PATENTJuly 1, 2039
- Thusid4PP33360Thuja tree named ‘Thusid4’UNDER PATENTAugust 24, 2040
- SMNTDGTPP33286Thuja plant named ‘SMNTDGT’UNDER PATENTDecember 8, 2040
- LilShreckthuPP33785Thuja plant named ‘LilShreckthu’UNDER PATENTDecember 30, 2040
- QuethucorPP33839Thuja plant named ‘Quethucor’UNDER PATENTDecember 30, 2040
- LeprechaunPP33840Thuja plant named ‘Leprechaun’UNDER PATENTFebruary 16, 2041
- TPMTFPP33589Thuja plant named ‘TPMTF’UNDER PATENTApril 20, 2041
- SMNTOOPP34292Thuja plant named ‘SMNTOO’UNDER PATENTOctober 3, 2041
- CMA04271964PP34073Thuja tree named ‘CMA04271964’UNDER PATENTNovember 23, 2041
- SMTOBM3PP34685Thuja plant named ‘SMTOBM3’UNDER PATENTDecember 2, 2041
- SMTOM1PP34686Thuja plant named ‘SMTOM1’UNDER PATENTDecember 2, 2041
- BLTPPP34752Thuja plant named ‘BLTP’UNDER PATENTMay 11, 2042
- RutThu2PP35030Thuja plant named ‘RutThu2’UNDER PATENTJune 30, 2042
- RutThu5PP35180Thuja plant named ‘RutThu5’UNDER PATENTJune 30, 2042
- RutThu3PP35206Thuja plant named ‘RutThu3’UNDER PATENTJune 30, 2042
- RutThu4PP35297Thuja plant named ‘RutThu4’UNDER PATENTJune 30, 2042
- INGGSPPP35388Thuja plant named ‘INGGSP’UNDER PATENTJanuary 30, 2043
- CFNIPP36708Thuja plant named ‘CFNI’UNDER PATENTNovember 13, 2044
- RutThu7PP36957Thuja plant named ‘RutThu7’UNDER PATENTJanuary 10, 2045
- RutThu6PP37066Thuja plant named ‘RutThu6’UNDER PATENTJanuary 10, 2045
- GK01PP37231Thuja plant named ‘GK01’UNDER PATENTFebruary 8, 2045
Already in the public domain — 4 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.
- Silvanus 1PP18036Thuja plant named ‘Silvanus 1’PUBLIC DOMAINDecember 7, 2025
- Walter BrownPP16280Thuja plant named ‘Walter Brown’PUBLIC DOMAINOctober 3, 2024
- Bail JohnPP15850Thuja plant named ‘Bail John’PUBLIC DOMAINMay 31, 2024
- SteeplechasePP16094Thuja plant named ‘Steeplechase’PUBLIC DOMAINMay 29, 2024
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.