US Plant Patent PP25598
UF 4424
Caladium plant named ‘UF 4424’
UNDER PATENT
Still under patent. Protection ends October 29, 2033.
Twenty years from the filing date would end on March 14, 2033. This patent earned 229 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP25598
- Filed
- March 14, 2013
- Granted
- May 26, 2015
- Expires
- October 29, 2033
- Inventor
- DENG ZHANAO; HARBAUGH BRENT K
Abstract
A new and distinct cultivar of Caladium plant named ‘UF 4424’, characterized by its mounding, dense bushy growth habit, broad lanceolate leaves that have bright red, waxy center and undulate margins, and plants that are sunburn-tolerant and attractive in containers or landscapes.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct Caladium plant named ‘UF 4424’ as illustrated and described herein.
Read the full patent: US Plant Patent PP25598 in full — the complete specification, every figure, and the file history.