US Plant Patent PP24668
Grand Marble
Ipomoea plant named ‘Grand Marble’
UNDER PATENT
Still under patent. Protection ends November 29, 2032.
Twenty years from the filing date would end on July 5, 2032. This patent earned 147 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP24668
- Filed
- July 5, 2012
- Granted
- July 22, 2014
- Expires
- November 29, 2032
- Assignee
- AMERINOVA PROPERTIES LLC, LISTON LARRY
- Inventor
- LISTON LARRY
Abstract
A new and distinct cultivar of Ipomoea plant named ‘Grand Marble’, characterized by its initially upright then trailing plant habit; freely branching habit, dense and bushy growth habit; rapid growth rate; and dark purple and green bi-colored cordate-shaped leaves.
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 Ipomoea plant named ‘Grand Marble’ as illustrated and described.
Read the full patent: US Plant Patent PP24668 in full — the complete specification, every figure, and the file history.