US Plant Patent PP23816
Sweet Carolina
Caladium plant named ‘Sweet Carolina’
UNDER PATENT
Still under patent. Protection ends January 3, 2032.
Twenty years from the filing date would end on December 29, 2031. This patent earned 5 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23816
- Filed
- December 29, 2011
- Granted
- August 6, 2013
- Expires
- January 3, 2032
- Assignee
- HARTMAN ROBERT DALE
- Inventor
- HARTMAN ROBERT DALE
Abstract
A new and distinct cultivar of Caladium plant named ‘Sweet Carolina’, characterized by its upright plant habit; tall plant size; uniform plant habit; vigorous and dense growth habit; fancy-type leaves with greyed purple-colored venation, random red purple-colored spots and mottled light and dark green-colored interveinal areas; and good landscape 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 Caladium plant named ‘Sweet Carolina’ as illustrated and described.
Read the full patent: US Plant Patent PP23816 in full — the complete specification, every figure, and the file history.