US Plant Patent PP20594
Milkshake
Echinacea plant named ‘Milkshake’
UNDER PATENT
Still under patent. Protection ends August 11, 2028.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP20594
- Filed
- August 11, 2008
- Granted
- December 22, 2009
- Expires
- August 11, 2028
- Assignee
- BLOM ARIE
- Inventor
- BLOM ARIE
Abstract
A new and distinct cultivar of Echinacea plant named ‘Milkshake’, characterized by its upright and columnar plant habit; moderately vigorous growth habit; strong and thick flowering stems; freely basal branching habit; and large anemone-type inflorescences with white-colored ray florets and yellow green-colored disc florets.
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 ‘Milkshake’ as illustrated and described.
Read the full patent: US Plant Patent PP20594 in full — the complete specification, every figure, and the file history.