US Plant Patent PP19908
Siam Snow
Allamanda plant named ‘Siam Snow’
UNDER PATENT
Still under patent. Protection ends June 5, 2027.
Twenty years from the filing date would end on May 30, 2027. This patent earned 6 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19908
- Filed
- May 30, 2007
- Granted
- April 14, 2009
- Expires
- June 5, 2027
- Inventor
- HILDER RONALD RICHARD; HILDER GLORIA ELLEN MAY
Abstract
A new cultivar of Allamanda plant named ‘Siam Snow’ that is characterized by flowering during low light conditions and creamy white flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Allamanda plant named ‘Siam Snow’ as described and illustrated.
Read the full patent: US Plant Patent PP19908 in full — the complete specification, every figure, and the file history.