US Plant Patent PP18726
Camp Bulewhit
Campanula plant named ‘Camp Bulewhit ’
PUBLIC DOMAIN
Patent expired August 5, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on April 27, 2026. This patent earned 100 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18726
- Filed
- April 27, 2006
- Granted
- April 8, 2008
- Expires
- August 5, 2026
- Assignee
- GOLDSMITH SEEDS EUROPE BV
- Inventor
- KAAGMAN PIM
Abstract
A new campanula plant particularly distinguished by large-sized blue and white, star-shaped flowers, an early and profuse flowering response, medium-green foliage with cordate leaves, moderately vigorous growth and a low, spreading and mounding, tight plant habit, 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 cultivar of campanula plant as shown and described herein.
Read the full patent: US Plant Patent PP18726 in full — the complete specification, every figure, and the file history.