US Plant Patent PP15452
Katsura
Pieris plant named ‘Katsura’
PUBLIC DOMAIN
Patent expired November 20, 2022. This plant is in the public domain — anyone may propagate and sell it.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP15452
- Filed
- November 20, 2002
- Granted
- December 21, 2004
- Expires
- November 20, 2022
- Inventor
- HIROSE YOSHIMICHI
Abstract
A new cultivar of Pieris named ‘Katsura’ that is distinguished by a broad, bushy habit, wine-red leaves that later turn green and rose-colored flowers in spring. In combination these traits set ‘Katsura’ apart from all other existing varieties of Pieris known to the inventors.
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 Pieris plant named ‘Katsura’ as described and illustrated.
Read the full patent: US Plant Patent PP15452 in full — the complete specification, every figure, and the file history.