US Plant Patent PP15547
D6N-72
Prune tree named ‘D6N-72’
PUBLIC DOMAIN
Patent expired October 14, 2023. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP15547
- Filed
- October 14, 2003
- Granted
- February 8, 2005
- Expires
- October 14, 2023
- Assignee
- UNIV CALIFORNIA
- Inventor
- DOYLE JAMES F; DEBUSE CAROLYN J; DEJONG THEODORE M
Abstract
A new prune cultivar designated ‘D6N-72’ has been developed. The new cultivar is the result of a cross between ‘Improved French’ and ‘Tulare Giant.’ The fruit of this cultivar are large, light purple to light bluish purple in color and covered with a grayish waxy bloom. The ‘D6N-72’ tree is productive and a regular bearer.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct prune tree, ‘D6N-72’, substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP15547 in full — the complete specification, every figure, and the file history.