US Plant Patent PP32996
COSEH 6300
Helleborus plant named ‘COSEH 6300’
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
- PP32996
- Filed
- May 27, 2020
- Granted
- April 20, 2021
- Expires
- May 27, 2040
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 6300’, characterized by its upright to somewhat outwardly spreading and mounded plant habit; moderately vigorous growth habit; dark green-colored leaves; freely flowering habit; yellow green and green white-colored flowers with red purple to greyed purple-colored margins; 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 6300’ as illustrated and described.
Read the full patent: US Plant Patent PP32996 in full — the complete specification, every figure, and the file history.