US Plant Patent PP19507
Secret Ambition
Hosta plant named ‘Secret Ambition’
UNDER PATENT
Still under patent. Protection ends January 31, 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
- PP19507
- Filed
- January 31, 2008
- Granted
- November 25, 2008
- Expires
- January 31, 2028
- Assignee
- VAN DEN TOP HENDRIK JAN
- Inventor
- VAN DEN TOP HENDRIK JAN
Abstract
A new and distinct cultivar of Hosta plant named ‘Secret Ambition’, characterized by its broadly spreading foliage with upright flower scapes; green and light green variegated foliage; light violet to white-colored flowers that are positioned above the foliage on strong scapes; 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 Hosta plant named ‘Secret Ambition’ as illustrated and described.
Read the full patent: US Plant Patent PP19507 in full — the complete specification, every figure, and the file history.