US Plant Patent PP22256
COSEH 770
Helleborus plant named ‘COSEH 770’
UNDER PATENT
Still under patent. Protection ends April 23, 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
- PP22256
- Filed
- April 23, 2010
- Granted
- November 15, 2011
- Expires
- April 23, 2030
- Assignee
- HEUGER JOSEF
- Inventor
- HEUGER JOSEF
Abstract
A new and distinct cultivar of Helleborus plant named ‘COSEH 770’, characterized by its upright and mounding plant habit; uniform and freely flowering habit; dark green-colored leaves; long flowering period; 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 770’ as illustrated and described.
Read the full patent: US Plant Patent PP22256 in full — the complete specification, every figure, and the file history.