US Plant Patent PP23527
Cumberland
×Heucherella plant named ‘Cumberland’
UNDER PATENT
Still under patent. Protection ends December 1, 2031.
Twenty years from the filing date would end on September 8, 2030. This patent earned 449 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP23527
- Filed
- September 8, 2010
- Granted
- April 9, 2013
- Expires
- December 1, 2031
- Assignee
- ITSAUL PLANTS LLC, SAUL RICHARD G
- Inventor
- SAUL RICHARD G
Abstract
A new cultivar of × Heucherella plant named ‘Cumberland’, characterized by its foliage that is green in color with burgundy veins, its large ovate-shaped leaves that average 8 cm in length, its white flowers in mid spring, and its tolerance to heat, humidity with good garden performance in the southern regions of the U.S.
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 cultivar of × Heucherella plant named ‘Cumberland’ as herein illustrated and described.
Read the full patent: US Plant Patent PP23527 in full — the complete specification, every figure, and the file history.