US Plant Patent PP33561
OSU 541.147
Corylus plant named ‘OSU 541.147’
UNDER PATENT
Still under patent. Protection ends August 28, 2040.
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
- PP33561
- Filed
- August 28, 2020
- Granted
- October 19, 2021
- Expires
- August 28, 2040
- Inventor
- MEHLENBACHER SHAWN A; SMITH DAVID C
Abstract
A new and distinct interspecific hybrid Corylus plant named ‘OSU 541.147’ characterized by a vigorous, upright growth habit, the production of nuts with round kernels that fall free of the husk at maturity, and resistance to eastern filbert blight caused by the fungus Anisogramma anomala (Peck) E. Müller.
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 Corylus plant named ‘OSU 541.147’ as illustrated and described.
Read the full patent: US Plant Patent PP33561 in full — the complete specification, every figure, and the file history.