US Plant Patent PP24951
JL Columnar
Columnar Parrotia persica plant named ‘JL Columnar’
UNDER PATENT
Still under patent. Protection ends June 16, 2032.
Twenty years from the filing date would end on September 28, 2031. This patent earned 262 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24951
- Filed
- September 28, 2011
- Granted
- October 7, 2014
- Expires
- June 16, 2032
- Assignee
- LEWIS JOHN
- Inventor
- LEWIS JOHN
Abstract
A new cultivar of Ornamental Parrotia persica plant named ‘JL Columnar’ that is characterized by a columnar growth habit, leaves which are solid purple when they break dormancy in the spring, turn to green with purple halo margins, and display a two phase fall color. The leaves are slightly smaller than in the genus.
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 cultivar of Ornamental Parrotia persica plant named ‘JL Columnar’ as described and illustrated herein.
Read the full patent: US Plant Patent PP24951 in full — the complete specification, every figure, and the file history.