US Plant Patent PP35263
Toncka 377
Heuchera plant named ‘Toncka 377’
UNDER PATENT
Still under patent. Protection ends October 7, 2042.
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
- PP35263
- Filed
- October 7, 2022
- Granted
- July 11, 2023
- Expires
- October 7, 2042
- Inventor
- HOLTMAAT HENRICUS MARIA JOSEPH
Abstract
A new cultivar of Heuchera plant named ‘Toncka 377’ that is characterized by its leaves that have glossy surfaces, its leaves that are grey-green in color with dark green veins, its flowers that are clear red-purple in color, and its very floriferous blooming habit.
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 Heuchera plant named ‘Toncka 377’ as herein illustrated and described.
Read the full patent: US Plant Patent PP35263 in full — the complete specification, every figure, and the file history.