US Plant Patent PP31475
Chongyang
Chinese redbud plant named ‘Chongyang’
UNDER PATENT
Still under patent. Protection ends July 1, 2037.
Twenty years from the filing date would end on April 11, 2037. This patent earned 81 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP31475
- Filed
- April 11, 2017
- Granted
- February 25, 2020
- Expires
- July 1, 2037
- Inventor
- WANG HUAMING
Abstract
‘Chongyang’ is a distinctive variety of Chinese redbud plant, which is characterized by its florescence.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Chinese redbud plant named ‘Chongyang’, substantially as described and illustrated.
Read the full patent: US Plant Patent PP31475 in full — the complete specification, every figure, and the file history.