US Plant Patent PP16718
MUNN 001
Acer shirasawanum plant named ‘MUNN 001’
PUBLIC DOMAIN
Patent expired October 14, 2024. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on July 19, 2024. This patent earned 87 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP16718
- Filed
- July 19, 2004
- Granted
- June 27, 2006
- Expires
- October 14, 2024
- Assignee
- MUNN CARL A
- Inventor
- MUNN CARL A
Abstract
A new and distinct cultivar of Acer shirasawanum plant as shown and described, characterized by its striking carmine to red spring leaves, yellow to lime summer leaves, and vigorous growth rate.
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 Acer shirasawanum plant as shown and described, characterized by its striking carmine to red spring leaves, yellow to lime summer leaves, and vigorous growth rate.
Read the full patent: US Plant Patent PP16718 in full — the complete specification, every figure, and the file history.