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The Patent Garden

US Plant Patent PP18372

Sweet Roberta

Spathiphyllum plant named ‘Sweet Roberta’

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 PP18372, the photograph of Sweet Roberta printed in the patent.
Figure 1 from US Plant Patent PP18372, 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
PP18372
Filed
May 30, 2006
Granted
December 25, 2007
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 Roberta’ that is characterized by white spathes, green leaves and a large overall size.

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 Roberta’ as described and illustrated.

Read the full patent: US Plant Patent PP18372 in full — the complete specification, every figure, and the file history.