US Plant Patent PP36193
Twilight
Campanula plant named ‘Twilight’
UNDER PATENT
Still under patent. Protection ends February 23, 2044.
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
- PP36193
- Filed
- February 23, 2024
- Granted
- October 8, 2024
- Expires
- February 23, 2044
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A new and distinct Bellflower, Campanula plant named ‘Twilight’ with a dense, compact, mounded habit; cordate to deltoid dark-green foliage and numerous medium purplish-blue campanulate flowers with pale bluish centers flowering for about 14 weeks beginning late spring and continuing until hard frost. The new plant is suitable for landscaping as a specimen, en masse, or in containers.
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 Campanula plant named ‘Twilight’ as described and illustrated.
Read the full patent: US Plant Patent PP36193 in full — the complete specification, every figure, and the file history.