Genus
Paspalum
9 US plant patents have been granted in this genus. 7 are already in the public domain — anyone may propagate and sell them. The next of the 2 still protected comes off patent on October 19, 2026.
Still under patent — 2 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
Already in the public domain — 7 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.
- SI 98PP18869Seashore Paspalum plant named ‘SI 98’PUBLIC DOMAINNovember 2, 2025
- SDX-1PP13294Seashore paspalum ‘SDX-1’PUBLIC DOMAINJanuary 12, 2021
- SEA ISLE 2000PP12625Seashore paspalum plant ‘SEA ISLE 2000’PUBLIC DOMAINApril 19, 2020
- Sea Isle 1PP12665Seashore paspalum plant ‘Sea Isle 1’PUBLIC DOMAINApril 19, 2020
- SGX-6PP13100Seashore paspalum ‘SGX-6’PUBLIC DOMAINFebruary 11, 2020
- SFX-14PP13105Seashore paspalum ‘SFX-14’PUBLIC DOMAINFebruary 11, 2020
- B-1PP7429Bahiagrass plant `B-1`PUBLIC DOMAINSeptember 12, 2009
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.