US Plant Patent PP12348
Black Velvet
Tiarella plant named ‘Black Velvet’
PUBLIC DOMAIN
Patent expired April 8, 2019. This plant is in the public domain — anyone may propagate and sell it.
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
- PP12348
- Filed
- April 8, 1999
- Granted
- January 8, 2002
- Expires
- April 8, 2019
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- HEIMS DAN M
Abstract
A new and distinct hybrid of Tiarella characterized by its vigor and unique cut leaves of marked coloration and size.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct hybrid of Tiarella plant substantially as shown and described, characterized by its vigor and unique cut leaves of marked
Read the full patent: US Plant Patent PP12348 in full — the complete specification, every figure, and the file history.