License of Makefile from Altera

In some GHRD designs, e.g. DE0-Nano-SoC / Atlas-SoC, there is included a Makefile which carries the following header:

[CODE]#################################################

Makefile to Manage QuartusII/QSys Design

Copyright Altera © 2014

All Rights Reserved

################################################[/CODE]

What license is this file distributed under? That is, can this file be used and can it be used in derived work? Since it contains “All Rights Reserved” I would assume not, yet I have seen this in some rocketboard repos.