US Plant Patent PP19573
Casanova
Ilex plant named ‘Casanova’
UNDER PATENT
Still under patent. Protection ends January 25, 2028.
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
- PP19573
- Filed
- January 25, 2008
- Granted
- December 16, 2008
- Expires
- January 25, 2028
- Assignee
- RENKEN FRIEDRICH, STOECKMANN ERNST ADOLF
- Inventor
- STOECKMANN ERNST ADOLF; RENKEN FRIEDRICH
Abstract
A new and distinct cultivar of Ilex plant named ‘Casanova’, characterized by its upright and outwardly spreading plant habit; freely branching habit; dark green and pale yellow bi-colored foliage; dark red-colored stems; red-colored flower buds; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Ilex plant named ‘Casanova’ as illustrated and described.
Read the full patent: US Plant Patent PP19573 in full — the complete specification, every figure, and the file history.