US Plant Patent PP15582
Samuel Oliphant
Sedum plant named ‘Samuel Oliphant’
PUBLIC DOMAIN
Patent expired December 29, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on October 10, 2023. This patent earned 80 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15582
- Filed
- October 10, 2003
- Granted
- February 22, 2005
- Expires
- December 29, 2023
- Assignee
- CASERTANO JOHN L
- Inventor
- CASERTANO JOHN L
Abstract
Sedum ‘Samuel Oliphant’ is a new and distinct cultivar of Stonecrop plant having gray-green leaves with creamy-yellow margins and carmine tips, and long lasting pinkish flowers valuable as a landscaping specimen, potted plant, or cut flower.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. I claim the new and distinct variety of Stonecrop plant, Sedum spectabile ‘Samuel Oliphant’, essentially as herein described and illustrated, having gray-green leaves with creamy-yellow margins and carmine tips, and long lasting pinkish flowers valuable as a landscaping specimen, plotted plant, or cut flower.
Read the full patent: US Plant Patent PP15582 in full — the complete specification, every figure, and the file history.