US Plant Patent PP15847
PC7146-8
Cherry tree ‘PC7146-8’
PUBLIC DOMAIN
Patent expired April 28, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 27, 2023. This patent earned 32 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15847
- Filed
- March 27, 2003
- Granted
- July 12, 2005
- Expires
- April 28, 2023
- Assignee
- UNIV WASHINGTON
- Inventor
- TOYAMA THOMAS K
Abstract
A new cultivar of sweet cherry ( Prunus avium ) named ‘PC7146-8’ is disclosed. The new cultivar is notable for its large, high quality dark red fruit of superior flavor, and for its early ripening time, a few days before ‘Bing.’
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cherry tree, substantially as shown and described herein.
Read the full patent: US Plant Patent PP15847 in full — the complete specification, every figure, and the file history.