US Plant Patent PP20723
Lemon Frost
Lamium maculatum plant named ‘Lemon Frost’
UNDER PATENT
Still under patent. Protection ends November 25, 2028.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP20723
- Filed
- November 25, 2008
- Granted
- February 9, 2010
- Expires
- November 25, 2028
- Assignee
- ITSAUL PLANTS LLC
- Inventor
- SAUL RICHARD G
Abstract
A new cultivar of Lamium plant, ‘Lemon Frost’, characterized by its foliage that is think in substance and emerges bright yellow-green in color with a white center stripe, by its hardiness in the Southern regions of the U.S., its very vigorous growth habit, and its lavender flowers produced in spring and intermittently throughout the summer.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Lamium plant designated ‘Lemon Frost’ as described and illustrated herein.
Read the full patent: US Plant Patent PP20723 in full — the complete specification, every figure, and the file history.