US Plant Patent PP17812
Mona Lisa Cream
Chrysanthemum plant named ‘Mona Lisa Cream’
PUBLIC DOMAIN
Patent expired November 23, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on November 4, 2025. This patent earned 19 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17812
- Filed
- November 4, 2005
- Granted
- June 12, 2007
- Expires
- November 23, 2025
- Assignee
- DEKKER BREEDING BV
- Inventor
- DEKKER CORNELIS W
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Mona Lisa Cream’, characterized by its double anemone-type inflorescences with elliptic-shaped, creamy white-colored ray florets; strong and upright flowering stems; freely flowering habit; early and uniform flowering response; and good postproduction longevity.
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 Chrysanthemum plant named ‘Mona Lisa Cream’, as illustrated and described.
Read the full patent: US Plant Patent PP17812 in full — the complete specification, every figure, and the file history.