US Plant Patent PP23904
Takarazuka Zujin
Campsis plant named ‘Takarazuka Zujin’
UNDER PATENT
Still under patent. Protection ends May 12, 2032.
Twenty years from the filing date would end on February 2, 2032. This patent earned 100 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23904
- Filed
- February 2, 2012
- Granted
- September 17, 2013
- Expires
- May 12, 2032
- Assignee
- Sakaue koichi
- Inventor
- Sakaue koichi
Abstract
A new cultivar of Campsis hybrid, ‘Takarazuka Zujin’, characterized by its dark green, clean foliage, its flowers that are coral-red in color with a yellow-orange throat, its compact, upright vining plant habit with good suitability as a container plant and its long bloom season, blooming from April to August in Japan.
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 Campsis plant named ‘Takarazuka Zujin’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23904 in full — the complete specification, every figure, and the file history.