Plant
Pistachio
20 US plant patents name this plant. 8 have expired, so those cultivars are free to propagate and sell. The next of the 12 still protected comes off patent on December 4, 2033.
Still under patent — 12 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- Wonderful Pistachio Rootstock #2PP26915Pistachio rootstock tree named ‘Wonderful Pistachio Rootstock #2’UNDER PATENTDecember 4, 2033
- Wonderful Pistachio Rootstock #1PP26916Pistachio rootstock tree named ‘Wonderful Pistachio Rootstock #1’UNDER PATENTDecember 4, 2033
- Wonderful Pistachio Rootstock #3PP27318Pistachio rootstock tree named ‘Wonderful Pistachio Rootstock #3’UNDER PATENTMarch 2, 2035
- Pistachio rootstock tree named Wonderful Pistachio Rootstock #4PP27319UNDER PATENTMarch 2, 2035
- Wonderful Pistachio Rootstock #5PP27436Pistachio rootstock tree named ‘Wonderful Pistachio Rootstock #5’UNDER PATENTMarch 6, 2035
- UCB1-D71PP29121Pistachio rootstock named ‘UCB1-D71’UNDER PATENTJanuary 21, 2036
- UCB1-D90PP29123Pistachio rootstock named ‘UCB1-D90’UNDER PATENTJanuary 21, 2036
- UCB1-D110PP29122Pistachio rootstock named ‘UCB1-D110’UNDER PATENTJanuary 25, 2036
- UCB1-D154PP29124Pistachio rootstock named ‘UCB1-D154’UNDER PATENTJanuary 25, 2036
- UCB1-D15PP30877Pistachio rootstock named ‘UCB1-D15’UNDER PATENTDecember 20, 2038
- UCB1-D11PP30913Pistachio rootstock named ‘UCB1-D11’UNDER PATENTDecember 20, 2038
- UCB1-D14PP33634Pistachio rootstock named ‘UCB1-D14’UNDER PATENTDecember 9, 2040
Already in the public domain — 8 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.
- PETE IPP17836Pistachio plant called ‘PETE I’PUBLIC DOMAINAugust 8, 2025
- P.N. 20-18PP16715Pistachio rootstock tree named ‘P.N. 20-18’PUBLIC DOMAINJuly 13, 2024
- P.N. 1-15PP14706Pistachio rootstock named ‘P.N. 1-15’PUBLIC DOMAINAugust 30, 2022
- PN 15-4PP14132Pistachio rootstock named ‘PN 15-4’PUBLIC DOMAINDecember 28, 2021
- Pistachio treePP5837PUBLIC DOMAINJanuary 29, 2005
- Pistachio treePP4953PUBLIC DOMAINJuly 27, 2001
- Pistachio treePP4994PUBLIC DOMAINJuly 27, 2001
- Pistachio treePP4118PUBLIC DOMAINOctober 4, 1994
Botanically this is Pistacia. 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.