Plant
Black walnut
26 US plant patents name this plant. 26 have expired, so those cultivars are free to propagate and sell.
Already in the public domain — 26 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.
- Beineke 11PP17507Black walnut tree named ‘Beineke 11’PUBLIC DOMAINOctober 24, 2024
- Beineke 13PP17124Black walnut tree named ‘Beineke 13’PUBLIC DOMAINAugust 3, 2024
- Beineke 12PP17125Black walnut tree named “Beineke 12”PUBLIC DOMAINJuly 23, 2024
- Beineke 14PP17358Black walnut tree named ‘Beineke 14’PUBLIC DOMAINJuly 9, 2024
- Beineke 9PP15728Black walnut tree named ‘Beineke 9’PUBLIC DOMAINFebruary 1, 2023
- Beineke 8PP15792Black walnut tree named ‘Beineke 8’PUBLIC DOMAINOctober 5, 2022
- Beineke 1PP15079Black walnut tree named ‘Beineke 1’PUBLIC DOMAINSeptember 27, 2022
- Beineke 6PP14978Black walnut tree named ‘Beineke 6’PUBLIC DOMAINAugust 10, 2022
- Beineke 10PP14839Black walnut tree named ‘Beineke 10’PUBLIC DOMAINJuly 5, 2022
- Beineke 5PP14829Black walnut tree named ‘Beineke 5’PUBLIC DOMAINJune 27, 2022
- Beineke 7PP15238Black walnut tree named ‘Beineke 7’PUBLIC DOMAINJune 24, 2022
- Beineke 4PP14777Black walnut tree named ‘Beineke 4’PUBLIC DOMAINMay 14, 2022
- Beineke 2PP15283Black walnut tree named ‘Beineke 2’PUBLIC DOMAINMay 8, 2022
- Beineke 3PP15284Black walnut tree named ‘Beineke 3’PUBLIC DOMAINMay 8, 2022
- HPC-148PP9906Black walnut tree named HPC-148PUBLIC DOMAINMarch 18, 2016
- STW-13PP9924Black walnut tree names STW-13PUBLIC DOMAINMarch 18, 2016
- HPC-120PP9925Black walnut tree named HPC-120PUBLIC DOMAINMarch 18, 2016
- Distinct variety of black walnut treePP4954PUBLIC DOMAINApril 16, 2001
- Distinct variety of black walnut treePP4955PUBLIC DOMAINApril 16, 2001
- Black walnut treePP4964PUBLIC DOMAINApril 16, 2001
- Black walnut treePP4966PUBLIC DOMAINApril 16, 2001
- Black walnut treePP4968PUBLIC DOMAINApril 16, 2001
- Black walnut treePP4971PUBLIC DOMAINApril 16, 2001
- Distinct variety of black walnut treePP4542PUBLIC DOMAINSeptember 5, 1998
- Distinct variety of black walnut treePP4543PUBLIC DOMAINSeptember 5, 1998
- Distinct variety of black walnut treePP4614PUBLIC DOMAINSeptember 5, 1998
Botanically this is Juglans. 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.