US Plant Patent PP18806
PS-1852
Raspberry plant named ‘PS-1852’
UNDER PATENT
Still under patent. Protection ends December 18, 2026.
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
- PP18806
- Filed
- December 18, 2006
- Granted
- May 13, 2008
- Expires
- December 18, 2026
- Assignee
- PLANT SCIENCES INC, BERRY R & D INC
- Inventor
- ACKERMAN STEPHEN M
Abstract
This invention relates to a new and distinct variety of raspberry plant named ‘PS-1852’. The new variety is primarily adapted to the growing conditions of the central coast of California and is characterized by the following: large upright primocanes, late fall primocane production, early spring floricane production, large conical berries, with nearly ⅔ of the total production coming from the floricane. Foliage is strongly concave, medium green; possessing very strong rugosity, and always 3-foliage. Primocanes have a weak waxy coat, dense thorns, and weak to medium anthocyanin coloration.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct raspberry plant known as ‘PS-1852’, as herein described and illustrated by the characteristics set forth above.
Read the full patent: US Plant Patent PP18806 in full — the complete specification, every figure, and the file history.