US Plant Patent PP22258
Stephanie Cohen
Tiarella plant named ‘Stephanie Cohen’
UNDER PATENT
Still under patent. Protection ends August 18, 2030.
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
- PP22258
- Filed
- August 18, 2010
- Granted
- November 15, 2011
- Expires
- August 18, 2030
- Inventor
- ADAM JR SINCLAIR A
Abstract
A new cultivar of Tiarella cordifolia , ‘Stephanie Cohen’, characterized by its compact mounding clump growth habit, its white flowers on single and branched flower racemes that emerge from pink flower buds, its unique foliage coloration with ovate, glossy, rugose, deeply lobed leaves with maroon center markings, in fall the leaves turn darker green and in winter the foliage is purple-red and remains glossy, and its ability to form dense stands particularly suited for garden border planting, ornamental ground cover, shaded areas, and ecology and restoration planting.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Tiarella plant named ‘Stephanie Cohen’ as herein illustrated and described.
Read the full patent: US Plant Patent PP22258 in full — the complete specification, every figure, and the file history.