US Plant Patent PP15217
QPMTF
Willow oak tree named ‘QPMTF’
PUBLIC DOMAIN
Patent expired November 15, 2022. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on November 13, 2022. This patent earned 2 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15217
- Filed
- November 13, 2002
- Granted
- October 12, 2004
- Expires
- November 15, 2022
- Assignee
- SOUTHERN SELECTIONS L L C
- Inventor
- MOON DWAYNE C
Abstract
A Willow Oak ( Quercus phellos ) named ‘QPMTF’ having a dominant leader, broad spreading habit with dense canopy, fast growth rate, and spider mite resistance and also capable of being reproduced reliably from vegetative cuttings.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Willow Oak tree named ‘QPMTF’ substantially as herein shown and described, characterized particularly as to novelty by its dominant leader, broad-spreading habit with dense canopy, fast growth rate, and spider mite resistance.
Read the full patent: US Plant Patent PP15217 in full — the complete specification, every figure, and the file history.