US Plant Patent PP26544
WALPINRUF
Rhododendron plant named ‘WALPINRUF’
UNDER PATENT
Still under patent. Protection ends October 3, 2034.
Twenty years from the filing date would end on June 13, 2034. This patent earned 112 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26544
- Filed
- June 13, 2014
- Granted
- March 29, 2016
- Expires
- October 3, 2034
- Assignee
- TRISTRAM DAVID
- Inventor
- TRISTRAM DAVID
Abstract
A new and distinct variety of Rhododendron plant named ‘WALPINRUF’ which is characterized by a compact mounding habit, glossy evergreen foliage, large double flowers in a warm pink color, which are produced from spring until early summer, is disclosed.
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 cultivar of Rhododendron plant named ‘WALPINRUF’ as described and illustrated herein.
Read the full patent: US Plant Patent PP26544 in full — the complete specification, every figure, and the file history.