US Plant Patent PP12985
Silver Ribbons
Aglaonema plant named ‘Silver Ribbons’
PUBLIC DOMAIN
Patent expired April 27, 2021. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 19, 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
- PP12985
- Filed
- March 19, 2001
- Granted
- September 17, 2002
- Expires
- April 27, 2021
- Inventor
- MUKUNDAN PARTHASARATHY; PARTHASARATHY GOPALASWAMY
Abstract
A distinct cultivar of Aglaonema plant named ‘Silver Ribbons’, characterized by its compact, upright and outwardly arching growth habit; relatively rapid growth rate and fast rooting; freely clumping habit, full and dense plants; twisted, long, narrowly lanceolate, undulate, and sharply acuminate leaves with random green spots and blotches on a silver green background and green leaf margins; and good postproduction longevity.
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 Ribbons’, as illustrated and described.
Read the full patent: US Plant Patent PP12985 in full — the complete specification, every figure, and the file history.