US Plant Patent PP28473
Microhirs3
Rhododendron plant named ‘Microhirs3’
UNDER PATENT
Still under patent. Protection ends September 15, 2035.
Twenty years from the filing date would end on August 12, 2035. This patent earned 34 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28473
- Filed
- August 12, 2015
- Granted
- October 3, 2017
- Expires
- September 15, 2035
- Assignee
- INKARHO GMBH
- Inventor
- PREIL WALTER; Lüttmann Ralf
Abstract
A new and distinct Rhododendron hybrid plant that exhibits a compact habit and numerous flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of Rhododendron hybrid plant, as is herein illustrated and described.
Read the full patent: US Plant Patent PP28473 in full — the complete specification, every figure, and the file history.