US Plant Patent PP23212
Sunset
Weigela shrub named ‘Sunset’
UNDER PATENT
Still under patent. Protection ends January 6, 2031.
Twenty years from the filing date would end on November 19, 2030. This patent earned 48 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23212
- Filed
- November 19, 2010
- Granted
- November 27, 2012
- Expires
- January 6, 2031
- Assignee
- UNIV NORTH CAROLINA STATE, RANNEY THOMAS G
- Inventor
- RANNEY THOMAS G
Abstract
‘Sunset’ is a new weigela shrub particularly distinguished by its semi-dwarf habit, and unique variegated foliage with green centers and multicolored margins ranging from and including ivory yellow, yellow, yellow-green, green, and red depending on plant age and the time of year, is disclosed.
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 weigela shrub as described and shown herein.
Read the full patent: US Plant Patent PP23212 in full — the complete specification, every figure, and the file history.