US Plant Patent PP14578
PS-MSC0003
Artichoke plant named ‘PS-MSC0003’
PUBLIC DOMAIN
Patent expired October 25, 2022. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on September 23, 2022. This patent earned 32 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP14578
- Filed
- September 23, 2002
- Granted
- March 9, 2004
- Expires
- October 25, 2022
- Assignee
- PLANT SCIENCES INC
- Inventor
- COLFER WILLIAM J
Abstract
A new and distinct cultivar of artichoke plant named ‘PS-MSC0003’, characterized by male sterility, large head size, fleshiness of bracts, fleshiness of hearts, uniformity of head shapes.
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 artichoke plant named ‘PS-MSC0003’, as described and illustrated.
Read the full patent: US Plant Patent PP14578 in full — the complete specification, every figure, and the file history.