US Plant Patent PP15072
Burgundy Lace
Athyrium niponicum var. pictum plant named ‘Burgundy Lace’
PUBLIC DOMAIN
Patent expired May 11, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on April 22, 2023. This patent earned 19 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15072
- Filed
- April 22, 2003
- Granted
- August 3, 2004
- Expires
- May 11, 2023
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- HEIMS DANIEL M
Abstract
A new and distinct hybrid of Athyrium niponicum var. pictum plant characterized by exceptional burgundy, pink, and silver colors of the fronds.
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 selection of Athyrium niponicum var. pictum plant substantially as shown and described, characterized by exceptional burgundy, pink, and silver colors of the fronds.
Read the full patent: US Plant Patent PP15072 in full — the complete specification, every figure, and the file history.