US Plant Patent PP34203
COSEH 5800
Helleborus plant named ‘COSEH 5800’
UNDER PATENT
Still under patent. Protection ends October 29, 2041.
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
- PP34203
- Filed
- October 29, 2021
- Granted
- May 3, 2022
- Expires
- October 29, 2041
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 5800’, characterized by its upright to slightly outwardly spreading and mounded plant habit; moderately vigorous growth habit; dark green-colored leaves; freely flowering habit; large purplish red to reddish purple-colored flowers; 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 Helleborus plant named ‘COSEH 5800’ as illustrated and described.
Read the full patent: US Plant Patent PP34203 in full — the complete specification, every figure, and the file history.