US Plant Patent PP21359
Taylor
Hybrid oak tree named ‘Taylor’
UNDER PATENT
Still under patent. Protection ends December 2, 2028.
Twenty years from the filing date would end on October 28, 2028. This patent earned 35 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21359
- Filed
- October 28, 2008
- Granted
- October 5, 2010
- Expires
- December 2, 2028
- Assignee
- CULLY EARL
- Inventor
- CULLY EARL
Abstract
A new and distinct hybrid oak named ‘Taylor’ characterized by its broad, oval growth habit, glossy green mildew resistant foliage, strong wood, and rapid growth.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of hybrid oak tree ( Quercus×muehlenbergii×Quercus robur×Quercus macrocarpa ) as herein described and illustrated.
Read the full patent: US Plant Patent PP21359 in full — the complete specification, every figure, and the file history.