US Plant Patent PP21242
COSEH 230
Helleborus plant named ‘COSEH 230’
UNDER PATENT
Still under patent. Protection ends April 20, 2029.
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
- PP21242
- Filed
- April 20, 2009
- Granted
- August 24, 2010
- Expires
- April 20, 2029
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 230’, characterized by its upright, outwardly spreading and mounded plant habit; freely flowering habit; long flowering period; and semi-double white-colored flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Helleborus plant named ‘COSEH 230’ as illustrated and described.
Read the full patent: US Plant Patent PP21242 in full — the complete specification, every figure, and the file history.