US Plant Patent PP18380

Sweet Silvio

Spathiphyllum plant named ‘Sweet Silvio’

PUBLIC DOMAIN

Patent expired May 30, 2026. This plant is in the public domain — anyone may propagate and sell it.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP18380, the photograph of Sweet Silvio printed in the patent. — Figure 1 from US Plant Patent PP18380, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number: PP18380
Filed: May 30, 2006
Granted: January 1, 2008
Expires: May 30, 2026
Assignee: P C M OLSTHOORN HOLDING BV
Inventor: OLSTHOORN PETRUS C M

Abstract

A new cultivar of Spathiphyllum plant named ‘Sweet Silvio’ that is characterized by a good response to flower initiation treatment, consistent flower production, green leaves and white spathes.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

1. A new and distinct variety of Spathiphyllum plant named ‘Sweet Silvio’ as described and illustrated.

Read the full patent: US Plant Patent PP18380 in full — the complete specification, every figure, and the file history.