US Plant Patent PP16042
Kolgian
Rose plant named ‘Kolgian’
PUBLIC DOMAIN
Patent expired August 8, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 28, 2024. This patent earned 41 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16042
- Filed
- June 28, 2004
- Granted
- October 18, 2005
- Expires
- August 8, 2024
- Assignee
- KOLSTER B V GEB
- Inventor
- KOLSTER PETER RUDOLF
Abstract
A new and distinct cultivar of Rose plant named ‘Kolgian’, characterized by its upright and outwardly spreading plant habit; dark green-colored leaflets; sparse thorns; single pink-colored flowers; large glossy red-colored fruits; and good postproduction longevity.
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 Rose plant named ‘Kolgian’, as illustrated and described.
Read the full patent: US Plant Patent PP16042 in full — the complete specification, every figure, and the file history.