US Plant Patent PP28058
JWW4
Cercidiphyllum plant named ‘JWW4’
UNDER PATENT
Still under patent. Protection ends November 13, 2035.
Twenty years from the filing date would end on October 6, 2035. This patent earned 38 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28058
- Filed
- October 6, 2015
- Granted
- May 30, 2017
- Expires
- November 13, 2035
- Inventor
- WEZELENBURG JR JAN-WILLEM
Abstract
A new cultivar of Cercidiphyllum japonicum plant named, ‘JWW4’, that is characterized by its compact, upright, even, and nearly globular plant habit, its growth habit that does not form a central leader, and its young shoots that are bronze-orange in color.
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 Cercidiphyllum plant named ‘JWW4’ as herein illustrated and described.
Read the full patent: US Plant Patent PP28058 in full — the complete specification, every figure, and the file history.