US Plant Patent PP17964
Mona Lisa Rosy
Chrysanthemum plant named ‘Mona Lisa Rosy’
PUBLIC DOMAIN
Patent expired January 16, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 26, 2025. This patent earned 82 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17964
- Filed
- October 26, 2005
- Granted
- August 28, 2007
- Expires
- January 16, 2026
- Assignee
- DEKKER BREEDING BV
- Inventor
- DEKKER CORNELIS W
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Mona Lisa Rosy’, characterized by its double anemone-type inflorescences with elliptic-shaped, pink-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 Rosy’, as illustrated and described.
Read the full patent: US Plant Patent PP17964 in full — the complete specification, every figure, and the file history.