US Plant Patent PP24416
PKMM03
Campanula plant named ‘PKMM03’
UNDER PATENT
Still under patent. Protection ends September 6, 2032.
Twenty years from the filing date would end on April 17, 2032. This patent earned 142 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24416
- Filed
- April 17, 2012
- Granted
- April 29, 2014
- Expires
- September 6, 2032
- Assignee
- GARTNERIET PKM AS, MADSEN CHRISTIAN HALD
- Inventor
- MADSEN CHRISTIAN HALD
Abstract
A new and distinct cultivar of Campanula plant named ‘PKMM03’, characterized by its upright, compact plant habit; dense and bushy plant form, mainly due to short, upright and stiff stems; vigorous growth habit, with no need for chemical growth retardation; higher number of flowers per plant; many cuttings on each stock plant; no need for vernalization for flower induction; and violet colored flowers.
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 ‘PKMM03’, as illustrated and described herein.
Read the full patent: US Plant Patent PP24416 in full — the complete specification, every figure, and the file history.