US Plant Patent PP20752
Maddison
Cherry tree named ‘Maddison’
UNDER PATENT
Still under patent. Protection ends December 15, 2027.
Twenty years from the filing date would end on December 7, 2027. This patent earned 8 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP20752
- Filed
- December 7, 2007
- Granted
- February 16, 2010
- Expires
- December 15, 2027
- Assignee
- SYNDER LLC
- Inventor
- GOOCH ED
Abstract
‘Maddison’ is a new and distinct cherry tree notable for its early ripening, large size, and dark color as compared to ‘Bing.’
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. What is claimed is a new and distinct cherry tree as shown and described herein.
Read the full patent: US Plant Patent PP20752 in full — the complete specification, every figure, and the file history.