US Plant Patent PP33615
RUF 1522-3
Caladium plant named ‘RUF 1522-3’
UNDER PATENT
Still under patent. Protection ends September 7, 2040.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP33615
- Filed
- September 7, 2020
- Granted
- November 2, 2021
- Expires
- September 7, 2040
- Assignee
- HARTMAN ROBERT DALE
- Inventor
- HARTMAN ROBERT DALE
Abstract
A new and distinct cultivar of Caladium plant named ‘RUF 1522-3’, characterized by its compact and mounding plant habit; dense and bushy appearance; vigorous growth habit and rapid growth rate; lance-type leaves that are dark red in color with dark green-colored margins; and petioles that are tannish pink in color with greenish brown-colored stripes, streaks and tessellations.
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 ‘RUF 1522-3’ as illustrated and described.
Read the full patent: US Plant Patent PP33615 in full — the complete specification, every figure, and the file history.