Plant
Pulmonaria
27 US plant patents name this plant. 19 have expired, so those cultivars are free to propagate and sell. The next of the 8 still protected comes off patent on May 15, 2028.
Still under patent — 8 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Silver BouquetPP20059Pulmonaria plant named ‘Silver Bouquet’UNDER PATENTMay 15, 2028
- Twinkle ToesPP30258Pulmonaria plant named ‘Twinkle Toes’UNDER PATENTFebruary 1, 2038
- LISA MARIEPP31226Pulmonaria plant named ‘LISA MARIE’UNDER PATENTJuly 12, 2038
- Pretty in PinkPP31284Pulmonaria plant named ‘Pretty in Pink’UNDER PATENTFebruary 1, 2039
- Spot OnPP33063Pulmonaria plant named ‘Spot On’UNDER PATENTOctober 7, 2040
- TNPULRASFROPP35154Pulmonaria plant named ‘TNPULRASFRO’UNDER PATENTSeptember 27, 2042
- Pink-a-BluePP35232Pulmonaria plant named ‘Pink-a-Blue’UNDER PATENTNovember 22, 2042
- Silver ScimitarPP35669Pulmonaria plant named ‘Silver Scimitar’UNDER PATENTMarch 1, 2043
Already in the public domain — 19 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.
- Pink HazePP14307Pulmonaria plant named ‘Pink Haze’PUBLIC DOMAINNovember 8, 2022
- Bubble GumPP14086Pulmonaria plant named ‘Bubble Gum’PUBLIC DOMAINAugust 6, 2022
- Mountain MagicPP14014Pulmonaria plant named ‘Mountain Magic’PUBLIC DOMAINJune 12, 2022
- Irish SpringPP14015Pulmonaria plant named ‘Irish Spring’PUBLIC DOMAINJune 12, 2022
- Baby BluePP13682Pulmonaria plant named ‘Baby Blue’PUBLIC DOMAINFebruary 19, 2022
- MoonshinePP13686Pulmonaria plant named ‘Moonshine’PUBLIC DOMAINFebruary 19, 2022
- Silver ShimmersPP13290Pulmonaria plant named ‘Silver Shimmers’PUBLIC DOMAINNovember 20, 2021
- Northern LightsPP13124Pulmonaria plant named ‘Northern Lights’PUBLIC DOMAINJune 28, 2021
- Dark VaderPP12333Pulmonaria plant named ‘Dark Vader’PUBLIC DOMAINJuly 31, 2020
- May BouquetPP12336Pulmonaria plant named ‘May Bouquet’PUBLIC DOMAINJuly 31, 2020
- High ContrastPP12337Pulmonaria plant named ‘High Contrast’PUBLIC DOMAINJuly 31, 2020
- Emerald IslesPP12339Pulmonaria plant named ‘Emerald Isles’PUBLIC DOMAINJuly 31, 2020
- Raspberry IcePP12538Pulmonaria plant named ‘Raspberry Ice’PUBLIC DOMAINJuly 31, 2020
- OcupolPP12931Pulmonaria plant named ‘Ocupol’PUBLIC DOMAINMay 8, 2020
- Trevi FountainPP13047Pulmonaria plant named ‘Trevi Fountain’PUBLIC DOMAINApril 10, 2020
- Silver StreamersPP12135Pulmonaria plant named ‘Silver Streamers’PUBLIC DOMAINJune 2, 2019
- Raspberry SplashPP12138Pulmonaria plant named ‘Raspberry Splash’PUBLIC DOMAINJune 2, 2019
- Victorian BroochPP11234Pulmonaria plant named `Victorian Brooch`PUBLIC DOMAINJanuary 26, 2018
- Berries and CreamPP10597Pulmonaria plant named `Berries and Cream`PUBLIC DOMAINFebruary 10, 2017
Botanically this is Pulmonaria. 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.