US Plant Patent PP27083
QBACKB
Rhododendron plant named ‘QBACKB’
UNDER PATENT
Still under patent. Protection ends September 24, 2034.
Twenty years from the filing date would end on May 1, 2034. This patent earned 146 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27083
- Filed
- May 1, 2014
- Granted
- August 23, 2016
- Expires
- September 24, 2034
- Assignee
- PLANT DEV SERVICES INC, LEE ROBERT EDWARD
- Inventor
- LEE ROBERT EDWARD
Abstract
A new and distinct Rhododendron cultivar named ‘QBackB’ is disclosed, characterized by distinctive large, fragrant, yellow-orange flowers with orange-red flushing. Plants are deciduous, tolerant of heat and humidity, tolerant of mildew and begin blooming before foliage emerges. The new cultivar is a Rhododendron , suitable for ornamental garden purposes.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Rhododendron plant named ‘QBACKB’ as herein illustrated and described.
Read the full patent: US Plant Patent PP27083 in full — the complete specification, every figure, and the file history.