US Plant Patent PP12973
Silver Moon
Aglaonema plant named ‘Silver Moon’
PUBLIC DOMAIN
Patent expired April 17, 2021. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 9, 2021. This patent earned 39 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP12973
- Filed
- March 9, 2001
- Granted
- September 17, 2002
- Expires
- April 17, 2021
- Assignee
- OGLESBY INTERNATIONAL INC
- Inventor
- OSIECKI MARIAN W
Abstract
A distinct cultivar of Aglaonema plant named ‘Silver Moon’, characterized by its symmetrical, round, relatively compact, full and dense plant form; freely branching habit; relatively thick stems and short internodes; broad leaves with obtuse bases and short petioles; bi-colored leaves with a silver green central zone and a dark green marginal zone.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Aglaonema plant named ‘Silver Moon’, as illustrated and described.
Read the full patent: US Plant Patent PP12973 in full — the complete specification, every figure, and the file history.