US Plant Patent PP21063
COSEH 710
Helleborus plant named ‘COSEH 710’
UNDER PATENT
Still under patent. Protection ends January 7, 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
- PP21063
- Filed
- January 7, 2009
- Granted
- June 8, 2010
- Expires
- January 7, 2029
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 710’, characterized by its upright, outwardly spreading and mounded plant habit; dark green-colored leaves; freely flowering habit; long flowering period; and large light green-colored flowers with reddish pink overtones.
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 710’ as illustrated and described.
Read the full patent: US Plant Patent PP21063 in full — the complete specification, every figure, and the file history.