US Plant Patent PP16997
Flaming Dragon
Saururus chinensis plant named ‘Flaming Dragon’
PUBLIC DOMAIN
Patent expired May 6, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on April 14, 2025. This patent earned 22 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16997
- Filed
- April 14, 2005
- Granted
- August 15, 2006
- Expires
- May 6, 2025
- Assignee
- E F HUGHES INC
- Inventor
- BRIGANTE DAVID
Abstract
A new and distinct cultivar of Saururus chinensis plant characterized by gold, rather than green leaves.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Saururus chinensis plant as substantially illustrated and described.
Read the full patent: US Plant Patent PP16997 in full — the complete specification, every figure, and the file history.