US Plant Patent PP21210
Little Treasure
Hosta plant named ‘Little Treasure’
UNDER PATENT
Still under patent. Protection ends January 20, 2029.
Twenty years from the filing date would end on October 10, 2028. This patent earned 102 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP21210
- Filed
- October 10, 2008
- Granted
- August 17, 2010
- Expires
- January 20, 2029
- Assignee
- VAN DEN TOP HENDRIK JAN
- Inventor
- VAN DEN TOP HENDRIK JAN
Abstract
A new and distinct cultivar of Hosta plant named ‘Little Treasure’, characterized by its broadly spreading foliage with upright flower scapes, widely-margined green and light yellow variegated foliage, violet-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 cultivar of Hosta plant named ‘Little Treasure’, substantially as herein shown and described.
Read the full patent: US Plant Patent PP21210 in full — the complete specification, every figure, and the file history.