US Plant Patent PP33590
Milliken
Oak tree named ‘Milliken’
UNDER PATENT
Still under patent. Protection ends November 19, 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
- PP33590
- Filed
- November 19, 2020
- Granted
- November 2, 2021
- Expires
- November 19, 2040
- Assignee
- SELECT SPRING LLC
- Inventor
- WINSLOW STEWART PETER
Abstract
A new and distinct cultivar of Oak tree named ‘Milliken’, characterized by its upswept branching habit and columnar tree form; freely branching habit with numerous lateral branches providing a full and densely foliated appearance; and glossy dark green-colored leaves that become bright yellow in color in the autumn.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct Oak tree named ‘Milliken’ as illustrated and described.
Read the full patent: US Plant Patent PP33590 in full — the complete specification, every figure, and the file history.