US Plant Patent PP28478
NPCW15237
Poinsettia plant named ‘NPCW15237’
UNDER PATENT
Still under patent. Protection ends April 3, 2036.
Twenty years from the filing date would end on December 11, 2035. This patent earned 114 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP28478
- Filed
- December 11, 2015
- Granted
- October 3, 2017
- Expires
- April 3, 2036
- Assignee
- KLEMM & SOHN GMBH & CO KG
- Inventor
- KLEMM NILS; VON TUBEUF GUIDO
Abstract
A new poinsettia plant particularly distinguished by having bright red bracts, a triangular plant form, an upright growth habit, and good keeping quality, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct variety of poinsettia plant named ‘NPCW15237’ as illustrated and described herein.
Read the full patent: US Plant Patent PP28478 in full — the complete specification, every figure, and the file history.