US Plant Patent PP28345
Howler
Oak tree named ‘Howler’
UNDER PATENT
Still under patent. Protection ends October 15, 2035.
Twenty years from the filing date would end on June 30, 2035. This patent earned 107 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28345
- Filed
- June 30, 2015
- Granted
- August 29, 2017
- Expires
- October 15, 2035
- Assignee
- ATHENA TREES INC, BARBOUR JOHN, SANCHEZ RAMON
- Inventor
- BARBOUR JOHN; SANCHEZ RAMON
Abstract
A new and distinct cultivar of Oak tree named ‘Howler’, characterized by its upright branching habit and upright oval tree form; freely branching habit with numerous lateral branches providing a full and densely foliated appearance; and relatively small, narrow and glossy dark green-colored leaves that become dark red to purple red in color during the autumn.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Oak tree named ‘Howler’ as illustrated and described.
Read the full patent: US Plant Patent PP28345 in full — the complete specification, every figure, and the file history.