US Plant Patent PP28251
Hilrees
Carnation plant named ‘Hilrees’
UNDER PATENT
Still under patent. Protection ends June 10, 2035.
Twenty years from the filing date would end on April 28, 2035. This patent earned 43 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28251
- Filed
- April 28, 2015
- Granted
- August 8, 2017
- Expires
- June 10, 2035
- Assignee
- HILVERDA KOOIJ B V, KOEKKOEK ARTHUR N J
- Inventor
- KOEKKOEK ARTHUR N J
Abstract
A new and distinct cultivar of Carnation plant named ‘Hilrees’, characterized by its compact, uniformly mounding and upright to broadly spreading plant habit; relatively small leaves; freely flowering habit; dark red purple and white bi-colored semi-double flowers; and good container performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Carnation plant named ‘Hilrees’ as illustrated and described.
Read the full patent: US Plant Patent PP28251 in full — the complete specification, every figure, and the file history.