US Plant Patent PP15976
Suplumtwentysix
Plum tree named ‘Suplumtwentysix’
PUBLIC DOMAIN
Patent expired July 29, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 14, 2024. This patent earned 45 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15976
- Filed
- June 14, 2004
- Granted
- September 20, 2005
- Expires
- July 29, 2024
- Assignee
- SUN WORLD INTERNATIONAL INC
- Inventor
- MOWREY BRUCE D; CAIN DAVID W; FEAR CARLOS D
Abstract
A new and distinct plum tree variety, Prunus salicina, ‘Suplumtwentysix’ characterized by consistent heavy production of large (61 mm), reddish-black plums with amber-colored flesh, which ripen in late May to early June in Kern County. The eating quality of plums produced by ‘Suplumtwentysix’ is relatively good for the early season, with juicy sweet-tart flesh and mildly tart skin.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of plum tree named ‘Suplumtwentysix’ as herein illustrated and described.
Read the full patent: US Plant Patent PP15976 in full — the complete specification, every figure, and the file history.