US Plant Patent PP23472
White Double Delight
Echinacea plant named ‘White Double Delight’
UNDER PATENT
Still under patent. Protection ends August 31, 2031.
Twenty years from the filing date would end on May 17, 2031. This patent earned 106 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23472
- Filed
- May 17, 2011
- Granted
- March 12, 2013
- Expires
- August 31, 2031
- Assignee
- BLOM ARIE
- Inventor
- BLOM ARIE
Abstract
A new and distinct cultivar of Echinacea plant named ‘White Double Delight’, characterized by its upright plant habit; moderately vigorous growth habit; freely basal branching habit; strong flowering stems; early and freely flowering habit; long flowering period; large anemone-type inflorescences with white-colored ray and yellow green-colored disc florets; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Echinacea plant named ‘White Double Delight’ as illustrated and described.
Read the full patent: US Plant Patent PP23472 in full — the complete specification, every figure, and the file history.