Plant

Mandarin hybrid

3 US plant patents name this plant. 3 have expired, so those cultivars are free to propagate and sell.

Already in the public domain — 3 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.

TDE4PP16289Mandarin hybrid tree named ‘TDE4’PUBLIC DOMAINJanuary 30, 2023
TDE3PP15703Mandarin hybrid tree named ‘TDE3’PUBLIC DOMAINJune 23, 2022
TDE2PP15461Mandarin hybrid tree named ‘TDE2’PUBLIC DOMAINJune 20, 2022

Botanically this is Citrus. 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.