US Plant Patent PP30035
Dowon
Zamioculcas plant named ‘Dowon’
UNDER PATENT
Still under patent. Protection ends March 30, 2037.
Twenty years from the filing date would end on September 16, 2036. This patent earned 195 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP30035
- Filed
- September 16, 2016
- Granted
- December 25, 2018
- Expires
- March 30, 2037
- Assignee
- LEE HYUK JIN
- Inventor
- LEE HYUK JIN
Abstract
A new variety of Zamioculcas plant named ‘Dowon’ that is characterized by an erect vase-shaped habit, and stiffly-held compound, glossy leaves which emerge mid-green maturing to black, is described.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of Zamioculcas plant named ‘Dowon’ as illustrated and described herein.
Read the full patent: US Plant Patent PP30035 in full — the complete specification, every figure, and the file history.