US Plant Patent PP22425
COSEH 800
Helleborus plant named ‘COSEH 800’
UNDER PATENT
Still under patent. Protection ends May 9, 2031.
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
- PP22425
- Filed
- May 9, 2011
- Granted
- December 27, 2011
- Expires
- May 9, 2031
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 800’, characterized by its upright and uniformly mounded plant habit; uniform and freely flowering habit; dark green-colored leaves; long flowering period; single yellow green to green white-colored flowers; and good garden performance.
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 800’ as illustrated and described.
Read the full patent: US Plant Patent PP22425 in full — the complete specification, every figure, and the file history.