US Plant Patent PP27243
Hamcosp
Cosmos plant named ‘Hamcosp’
UNDER PATENT
Still under patent. Protection ends December 12, 2034.
Twenty years from the filing date would end on August 4, 2034. This patent earned 130 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27243
- Filed
- August 4, 2014
- Granted
- October 4, 2016
- Expires
- December 12, 2034
- Inventor
- HAMMETT KEITH RICHARD WILLIAM
Abstract
A new cultivar of Cosmos plant named ‘Hamcosp’ that is characterized by large diameter crimson red inflorescences with yellow pollen and broad pinnate leaves.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct variety of Cosmos plant named ‘Hamcosp’ as described and illustrated.
Read the full patent: US Plant Patent PP27243 in full — the complete specification, every figure, and the file history.