US Plant Patent PP30402
M77
Miscanthus sinensis plant named ‘M77’
UNDER PATENT
Still under patent. Protection ends August 16, 2037.
Twenty years from the filing date would end on June 28, 2037. This patent earned 49 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP30402
- Filed
- June 28, 2017
- Granted
- April 16, 2019
- Expires
- August 16, 2037
- Inventor
- HANNA WAYNE W; SCHWARTZ BRIAN M
Abstract
A new variety of Miscanthus sinensis plant named ‘M77’ produces a reduced number of seeds, making it less invasive.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of the Miscanthus plant named ‘M77’, as illustrated and described.
Read the full patent: US Plant Patent PP30402 in full — the complete specification, every figure, and the file history.