US Plant Patent PP28086
18LI
Lagerstroemia plant named ‘18LI’
UNDER PATENT
Still under patent. Protection ends November 12, 2035.
Twenty years from the filing date would end on September 1, 2035. This patent earned 72 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28086
- Filed
- September 1, 2015
- Granted
- June 6, 2017
- Expires
- November 12, 2035
- Assignee
- CAPSTONE PLANTS INC
- Inventor
- BERRY JAMES B
Abstract
A new cultivar of Lagerstroemia indica plant named ‘18LI’ that is characterized by its foliage that is dark with a silver sheen, its flowers that are vivid purple in color, its upright and shrubby plant habit, and its resistance to powdery mildew and leaf spot.
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 cultivar of Lagerstroemia plant named ‘18LI’ as herein illustrated and described.
Read the full patent: US Plant Patent PP28086 in full — the complete specification, every figure, and the file history.