US Plant Patent PP19699
Don Sergio
Kalanchoe plant named ‘Don Sergio’
UNDER PATENT
Still under patent. Protection ends March 25, 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
- PP19699
- Filed
- March 25, 2008
- Granted
- February 10, 2009
- Expires
- March 25, 2028
- Assignee
- KNAAP LICENTIES B V
- Inventor
- VAN DER KNAAP LEONARDUS JOHANN
Abstract
A new and distinct cultivar of Kalanchoe plant named ‘Don Sergio’, characterized by its upright, uniform and vigorous growth habit; freely branching habit; dark green-colored leaves; uniform and freely flowering habit; double orange-colored flowers; 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 Kalanchoe plant named ‘Don Sergio’ as illustrated and described.
Read the full patent: US Plant Patent PP19699 in full — the complete specification, every figure, and the file history.