US Plant Patent PP30666
Libby Davidson
Gregg ash tree named ‘Libby Davidson’
UNDER PATENT
Still under patent. Protection ends October 31, 2037.
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
- PP30666
- Filed
- October 31, 2017
- Granted
- July 9, 2019
- Expires
- October 31, 2037
- Assignee
- SHIPLEY NICHOLAS BENOIT
- Inventor
- SHIPLEY NICHOLAS BENOIT
Abstract
A new and distinct Fraxinus greggii tree named ‘Libby Davidson’ is characterized by unusually large, dark green leaves, improved growth rate, improved cold hardiness and is more evergreen than other available Gregg ash.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct Fraxinus greggii plant substantially as described and illustrated herein.
Read the full patent: US Plant Patent PP30666 in full — the complete specification, every figure, and the file history.