US Plant Patent PP21638
Duemplavbu
Verbena plant named ‘Duemplavbu’
UNDER PATENT
Still under patent. Protection ends October 1, 2029.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP21638
- Filed
- October 1, 2009
- Granted
- January 18, 2011
- Expires
- October 1, 2029
- Assignee
- CAPITAL GREEN INVESTMENTS LTD
- Inventor
- DUEMMEN TOBIAS
Abstract
A new and distinct cultivar of Verbena plant named ‘Duemplavbu’, characterized by its semi-upright, compact and mounded plant habit; freely branching habit; freely flowering habit; and large purple violet-colored flowers that are held above and beyond the foliage in mounded umbels.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Verbena plant named ‘Duemplavbu’ as illustrated and described.
Read the full patent: US Plant Patent PP21638 in full — the complete specification, every figure, and the file history.