US Plant Patent PP27956
Byboughen
Cornus plant named ‘Byboughen’
UNDER PATENT
Still under patent. Protection ends September 21, 2035.
Twenty years from the filing date would end on August 19, 2035. This patent earned 33 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27956
- Filed
- August 19, 2015
- Granted
- May 2, 2017
- Expires
- September 21, 2035
- Assignee
- BOUGHEN RON, BYLANDS NURSERIES LTD
- Inventor
- BOUGHEN RON
Abstract
A new cultivar of Cornus , ‘Byboughen’, characterized by its dwarf growth habit, its upright and rounded plant habit, its yellow-green foliage that turns golden yellow and suffused with red-purple in fall, and its stems that are bright coral red in winter.
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 Cornus plant named ‘Byboughen’ as herein illustrated and described.
Read the full patent: US Plant Patent PP27956 in full — the complete specification, every figure, and the file history.