US Plant Patent PP17968
Don Domingo
Kalanchoe plant named ‘Don Domingo’
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
- PP17968
- Filed
- October 26, 2005
- Granted
- August 28, 2007
- Expires
- January 16, 2026
- Assignee
- KNAAP LICENTIES B V
- Inventor
- VAN DER KNAAP LEONARDUS JOHANN
Abstract
A new and distinct cultivar of Kalanchoe plant named ‘Don Domingo’, characterized by its upright and freely branching plant habit; dark green-colored leaves; salmon orange-colored double flowers with multiple petals per flower; and excellent 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 Kalanchoe plant named ‘Don Domingo’, as illustrated and described.
Read the full patent: US Plant Patent PP17968 in full — the complete specification, every figure, and the file history.