US Plant Patent PP15869
Duesumpur
Osteospermum plant named ‘Duesumpur’
PUBLIC DOMAIN
Patent expired July 5, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 1, 2024. This patent earned 34 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15869
- Filed
- June 1, 2004
- Granted
- July 19, 2005
- Expires
- July 5, 2024
- Assignee
- DUEMMEN JUNGPFLANZEN GBR
- Inventor
- DUEMMEN MARGA
Abstract
A new and distinct cultivar of Osteospermum plant named ‘Duesumpur’, characterized by its compact and uniformly mounded plant habit; Freely branching growth habit; freely and early flowering habit; and inflorescences with purple-colored ray florets.
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 Osteospermum plant named ‘Duesumpur’, as illustrated and described.
Read the full patent: US Plant Patent PP15869 in full — the complete specification, every figure, and the file history.