US Plant Patent PP27591
Taiga
Clematis plant named ‘Taiga’
UNDER PATENT
Still under patent. Protection ends May 31, 2035.
Twenty years from the filing date would end on January 20, 2035. This patent earned 131 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27591
- Filed
- January 20, 2015
- Granted
- January 24, 2017
- Expires
- May 31, 2035
- Assignee
- OCHIAI KOICHIRO
- Inventor
- UDAGAWA MASATAKE
Abstract
A new cultivar of hybrid Clematis , ‘Taiga’, characterized by its large, double flowers, its purple flowers with the tips of the outer tepaloids uniquely colored light yellow-green with center tepaloids light yellow-green, and its sterile flowers with no reproductive organs present.
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 Clematis plant named ‘Taiga’ as herein illustrated and described.
Read the full patent: US Plant Patent PP27591 in full — the complete specification, every figure, and the file history.