US Plant Patent PP23168
PIILAG-I
Lagerstroemia plant named ‘PIILAG-I’
UNDER PATENT
Still under patent. Protection ends June 28, 2031.
Twenty years from the filing date would end on June 1, 2030. This patent earned 392 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23168
- Filed
- June 1, 2010
- Granted
- November 6, 2012
- Expires
- June 28, 2031
- Assignee
- PLANT INTRODUCTIONS INC, GRIFFITH MARK P
- Inventor
- GRIFFITH MARK P
Abstract
A new and distinct cultivar of Lagerstroemia plant named ‘PIILAG-I’, characterized by its dwarf, rounded growth habit that is maintained over time without shoot reversions, reddish new growth and dark green foliage in summer, white flowers, and resistance to powdery mildew and Cercospora leaf spot.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Lagerstroemia plant named ‘PIILAG-I’, as illustrated and described herein.
Read the full patent: US Plant Patent PP23168 in full — the complete specification, every figure, and the file history.