US Plant Patent PP15915
Sterling
Aglaonema plant named ‘Sterling’
PUBLIC DOMAIN
Patent expired July 6, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 28, 2024. This patent earned 8 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15915
- Filed
- June 28, 2004
- Granted
- August 9, 2005
- Expires
- July 6, 2024
- Assignee
- K S G S FARM & NURSERY
- Inventor
- PARTHASARATHY GOPALASWAMY; MUKUNDAN PARTHASARATHY
Abstract
A new and distinct cultivar of Aglaonema plant named ‘Sterling’, characterized by its upright and outwardly arching plant form; vigorous growth habit; freely clumping habit; full, dense and bushy plant appearance; undulate lanceolate leaves with acuminate apices; leaves positioned roughly horizontally; unique leaf coloration; upper leaf surfaces lustrous silvery gray green-colored with sparse lighter silvery gray green-colored flecks and chevrons; lower leaf surfaces medium green-colored; green-colored leaf petioles with sparse and random pale yellow-colored spots and streaks; and tolerance to low temperatures.
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 Aglaonema plant named ‘Sterling’, as illustrated and described.
Read the full patent: US Plant Patent PP15915 in full — the complete specification, every figure, and the file history.