US Plant Patent PP19956
Curzena
Curcuma plant named ‘Curzena’
UNDER PATENT
Still under patent. Protection ends April 12, 2027.
Twenty years from the filing date would end on May 11, 2026. This patent earned 336 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19956
- Filed
- May 11, 2006
- Granted
- April 28, 2009
- Expires
- April 12, 2027
- Assignee
- KNAAP LICENTIES B V
- Inventor
- VAN DER KNAAP LEONARDUS JOHANN
Abstract
A new curcuma plant particularly distinguished by dark-pink flowers with red tips and green leaves with red veins is disclosed.
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 curcuma plant as shown and described herein.
Read the full patent: US Plant Patent PP19956 in full — the complete specification, every figure, and the file history.