US Plant Patent PP15826
PKMp03
Campanula plant named ‘PKMp03’
PUBLIC DOMAIN
Patent expired March 20, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 1, 2024. This patent earned 19 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15826
- Filed
- March 1, 2004
- Granted
- July 5, 2005
- Expires
- March 20, 2024
- Assignee
- GARTNERIET PKM AS
- Inventor
- JENSEN GERT KIM
Abstract
A distinct cultivar of Campanula plant named ‘PKMp03’, characterized by its compact plant habit; dense and bushy plant form; vigorous growth habit; large upright to outward facing, white, single bell flowers, high number of flowers per plant, no need for vernalization.
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 named ‘PKMp03’, as illustrated and described herein.
Read the full patent: US Plant Patent PP15826 in full — the complete specification, every figure, and the file history.