US Plant Patent PP33303
COSEH 8100
Helleborus plant named ‘COSEH 8100’
UNDER PATENT
Still under patent. Protection ends May 27, 2040.
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
- PP33303
- Filed
- May 27, 2020
- Granted
- July 27, 2021
- Expires
- May 27, 2040
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 8100’, characterized by its upright to slightly outwardly spreading and mounded plant habit; moderately vigorous growth habit; dark green-colored leaves; moderately freely flowering habit; red purple to greyed 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 8100’ as illustrated and described.
Read the full patent: US Plant Patent PP33303 in full — the complete specification, every figure, and the file history.