US Plant Patent PP15890

Purple Dragon

Lamium maculatum ‘Purple Dragon’

PUBLIC DOMAIN

Patent expired May 15, 2022. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on February 4, 2022. This patent earned 100 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP15890, the photograph of Purple Dragon printed in the patent. — Figure 1 from US Plant Patent PP15890, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number: PP15890
Filed: February 4, 2002
Granted: July 26, 2005
Expires: May 15, 2022
Inventor: VANSANDEN JOHN

Abstract

A spotted dead nettle cultivar named ‘Purple Dragon’, characterized by silver and green variegated leaves and unique in having rich purple colored flowers borne in spring through fall.

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 Lamium maculatum plant, ‘Purple Dragon’ as herein illustrated and described.

Read the full patent: US Plant Patent PP15890 in full — the complete specification, every figure, and the file history.