US Plant Patent PP28524
POST301
Echinacea plant named ‘POST301’
UNDER PATENT
Still under patent. Protection ends November 25, 2035.
Twenty years from the filing date would end on September 29, 2035. This patent earned 57 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28524
- Filed
- September 29, 2015
- Granted
- October 10, 2017
- Expires
- November 25, 2035
- Inventor
- HOLTMAAT HENRICUS MARIA JOSEPH
Abstract
A new and distinct cultivar of Echinacea plant named ‘Post301’, characterized by its upright and relatively compact plant habit; moderately vigorous growth habit; freely branching habit; strong flowering stems; numerous large single-type inflorescences with red-colored ray florets and dark red-colored receptacle spines; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Echinacea plant named ‘Post301’ as illustrated and described.
Read the full patent: US Plant Patent PP28524 in full — the complete specification, every figure, and the file history.