US Plant Patent PP13005
Prospi
Helichrysum plant named ‘Prospi’
PUBLIC DOMAIN
Patent expired September 26, 2020. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 1, 2020. This patent earned 25 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP13005
- Filed
- September 1, 2000
- Granted
- September 24, 2002
- Expires
- September 26, 2020
- Inventor
- BURROWS JOHN D
Abstract
A new and distinct cultivar of Helichrysum named ‘Prospi’ that exhibits insignificant flowers when compared to standard varieties and is characterized by its fine silver/green foliage and compact plant habit. These attributes in combination distinguish ‘Prospi’ from all other existing varieties.
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 cultivar of Helichrysum xambiguum plant named ‘Prospi’ as described and illustrated.
Read the full patent: US Plant Patent PP13005 in full — the complete specification, every figure, and the file history.