US Plant Patent PP32406
Jam Session
Sanguisorba plant named ‘Jam Session’
UNDER PATENT
Still under patent. Protection ends October 17, 2039.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP32406
- Filed
- October 17, 2019
- Granted
- October 27, 2020
- Expires
- October 17, 2039
- Inventor
- LOMMERSE GERARDUS ADRIANUS PETRONELLA; LOMMERSE HENDRIKUS PETRUS
Abstract
A new and distinct cultivar of Sanguisorba plant named ‘Jam Session’, characterized by its compact plant habit with upright flowering stems; moderately vigorous growth habit; dark green-colored leaves; numerous white-colored flowers on dense inflorescences; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Sanguisorba plant named ‘Jam Session’ as illustrated and described.
Read the full patent: US Plant Patent PP32406 in full — the complete specification, every figure, and the file history.