Skip to content
The Patent Garden

US Plant Patent PP17829

Looking Glass

Brunnera macrophylla plant named ‘Looking Glass’

PUBLIC DOMAIN

Patent expired April 15, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on December 1, 2023. This patent earned 866 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17829, the photograph of Looking Glass printed in the patent.
Figure 1 from US Plant Patent PP17829, 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
PP17829
Filed
December 1, 2003
Granted
June 26, 2007
Expires
April 15, 2026
Inventor
FALSTAD CLARENCE H; WALTERS JOHN D

Abstract

The new and distinctive cultivar of Brunnera named ‘Looking Glass’ with light blue flowers in the spring and characterized by an intense silver coating on top of the leaves, suitable for specimen or mass landscape usage, or potted culture.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct perennial Brunnera macrophylla plant named ‘Looking Glass’ as herein described and illustrated.

Read the full patent: US Plant Patent PP17829 in full — the complete specification, every figure, and the file history.