US Plant Patent PP17091
Kakegawa S81
Calibrachoa plant named ‘Kakegawa S81’
PUBLIC DOMAIN
Patent expired July 21, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 7, 2025. This patent earned 164 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17091
- Filed
- February 7, 2005
- Granted
- September 12, 2006
- Expires
- July 21, 2025
- Assignee
- SAKATA SEED CORP
- Inventor
- UI AKINOBU; OHGA TOSHIMI
Abstract
‘Kakegawa S81’ is a new Calibrachoa cultivar particularly distinguished by having a deep rose flower color, a white corolla throat color and a semi-creeping growth habit.
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 Calibrachoa plant as shown and described herein.
Read the full patent: US Plant Patent PP17091 in full — the complete specification, every figure, and the file history.