US Plant Patent PP20749
Rhodunter 149
Rhododendron rootstock named ‘Rhodunter 149’
UNDER PATENT
Still under patent. Protection ends April 14, 2028.
Twenty years from the filing date would end on February 15, 2028. This patent earned 59 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20749
- Filed
- February 15, 2008
- Granted
- February 16, 2010
- Expires
- April 14, 2028
- Assignee
- INKARHO GMBH
- Inventor
- PREIL WALTER
Abstract
A new and distinct Rhododendron hybrid plant used as a rootstock that exhibits a high lime tolerance and vigorous growth.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Rhododendron hybrid plant, as is herein illustrated and described.
Read the full patent: US Plant Patent PP20749 in full — the complete specification, every figure, and the file history.