US Plant Patent PP20900
PWJR08
Pin oak tree named ‘PWJR08’
UNDER PATENT
Still under patent. Protection ends December 4, 2028.
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
- PP20900
- Filed
- December 4, 2008
- Granted
- March 30, 2010
- Expires
- December 4, 2028
- Assignee
- BRENTANO PETER J, KELLY JOSEPH C
- Inventor
- KELLY JOSEPH C; BRENTANO PETER J
Abstract
A new variety of Quercus palustris Pin Oak tree substantially as herein shown and described, characterized particularly by a combination of glossy foliage, new growth leaves that are pubescent, upright growth habit and orange-red Fall color.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new variety of Quercus palustris Pin Oak tree substantially as herein shown and described, characterized particularly by a combination of glossy foliage, new growth leaves that are pubescent, upright growth habit and orange-red Fall color.
Read the full patent: US Plant Patent PP20900 in full — the complete specification, every figure, and the file history.