US Plant Patent PP27027
PE4UNIBO
Pear tree named ‘PE4UNIBO’
UNDER PATENT
Still under patent. Protection ends December 27, 2034.
Twenty years from the filing date would end on September 24, 2034. This patent earned 94 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP27027
- Filed
- September 24, 2014
- Granted
- August 9, 2016
- Expires
- December 27, 2034
- Inventor
- MUSACCHI STEFANO; ANCARANI VINCENZO; SANSAVINI SILVIERO
Abstract
A new and distinct Pyrus communis L. pear tree variety named ‘PE4UNIBO’ is particularly characterized by the following features: medium vigorous trees with semi-upright habit; bearing habitus mainly on 1 year old shoots and subsequently on 2-3 years old branches (like ‘Bartlett’); partial grafting incompatibility with quince rootstocks; medium late ripening (about 15 days after ‘Bartlett’); medium productivity; big size of the fruit (about 300 g) with pyriform-elongated shape (like ‘Abbé Fétel’); yellow-green skin with a nice red over-color on 70-80% of surface; tender and juicy white flesh, at full ripening stage and with a very good flavor and sweet taste; long storage capacity in cold room up to 6 months.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct variety of Pyrus communis L. pear tree named ‘PE4UNIBO’, as illustrated and described herein.
Read the full patent: US Plant Patent PP27027 in full — the complete specification, every figure, and the file history.