US Plant Patent PP22021
COSEH 720
Helleborus plant named ‘COSEH 720’
UNDER PATENT
Still under patent. Protection ends March 31, 2030.
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
- PP22021
- Filed
- March 31, 2010
- Granted
- July 5, 2011
- Expires
- March 31, 2030
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 720’, characterized by its upright plant habit; uniform flowering habit; dark green-colored leaves with distinct venation; long flowering period; numerous single light 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 720’ as illustrated and described.
Read the full patent: US Plant Patent PP22021 in full — the complete specification, every figure, and the file history.