US Plant Patent PP22350
COSEH 810
Helleborus plant named ‘COSEH 810’
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
- PP22350
- Filed
- May 9, 2011
- Granted
- December 13, 2011
- Expires
- May 9, 2031
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 810’, characterized by its upright and uniformly mounded plant habit; uniform and freely flowering habit; dark green-colored leaves; long flowering period; single light yellow green-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 810’ as illustrated and described.
Read the full patent: US Plant Patent PP22350 in full — the complete specification, every figure, and the file history.