US Plant Patent PP27878
Crown Jewels
Buddleia plant named ‘Crown Jewels’
UNDER PATENT
Still under patent. Protection ends November 6, 2035.
Twenty years from the filing date would end on June 10, 2035. This patent earned 149 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27878
- Filed
- June 10, 2015
- Granted
- April 11, 2017
- Expires
- November 6, 2035
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A, HURD KEVIN A
- Inventor
- HANSEN HANS A; HURD KEVIN A
Abstract
Buddleia ‘Crown Jewels’ is a short, mounded, multi-stemmed, winter-hardy butterfly bush with long, compact, flowering thyrse over a long season beginning mid-summer with sweetly-fragrant red-purple flowers that are attractively offset by chartreuse to bright yellow foliage.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new cultivar of winter-hardy butterfly bush Buddleia plant named ‘Crown Jewels’ as herein illustrated and described, suitable for potted plant culture, landscaping as a specimen or en masse or as cut flower purposes.
Read the full patent: US Plant Patent PP27878 in full — the complete specification, every figure, and the file history.