US Plant Patent PP20059
Silver Bouquet
Pulmonaria plant named ‘Silver Bouquet’
UNDER PATENT
Still under patent. Protection ends May 15, 2028.
Twenty years from the filing date would end on March 18, 2028. This patent earned 58 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20059
- Filed
- March 18, 2008
- Granted
- June 2, 2009
- Expires
- May 15, 2028
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- EGGER JANET N
Abstract
A new and distinct hybrid of Pulmonaria plant characterized by dark pink flowers, medium flower size, foliage with prominent silvering, a medium compact habit, excellent vigor, and excellent tolerance to mildew.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct hybrid of Pulmonaria plant as herein illustrated and described.
Read the full patent: US Plant Patent PP20059 in full — the complete specification, every figure, and the file history.