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The Patent Garden

US Plant Patent PP18343

Emerald

Campanula plant named ‘Emerald’

PUBLIC DOMAIN

Patent expired July 27, 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 PP18343, the photograph of Emerald printed in the patent.
Figure 1 from US Plant Patent PP18343, 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
PP18343
Filed
July 27, 2006
Granted
December 25, 2007
Expires
July 27, 2026
Inventor
VAN DER ZWET ALEXIUS JOANNES J

Abstract

A new and distinct cultivar of Campanula plant named ‘Emerald’, characterized by its upright and compact plant habit; basal branching habit; freely flowering habit; and light purple-colored flowers.

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

1. A new and distinct Campanula plant named ‘Emerald’ as illustrated and described.

Read the full patent: US Plant Patent PP18343 in full — the complete specification, every figure, and the file history.