US Plant Patent PP20690
Zalsadon
Alstroemeria plant named ‘Zalsadon’
UNDER PATENT
Still under patent. Protection ends May 30, 2028.
Twenty years from the filing date would end on June 15, 2027. This patent earned 350 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20690
- Filed
- June 15, 2007
- Granted
- January 26, 2010
- Expires
- May 30, 2028
- Assignee
- VAN ZANTEN PLANTS BV
- Inventor
- JACOBS HENRICUS CORNELIUS MARIA
Abstract
A new and distinct cultivar of Alstroemeria plant named ‘Zalsadon’, characterized by its erect and strong flowering stems; vigorous growth habit; white and yellow-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 Alstroemeria plant named ‘Zalsadon’ as illustrated and described.
Read the full patent: US Plant Patent PP20690 in full — the complete specification, every figure, and the file history.