Is inherited class a derivative work?

Michael Beck mbeck1 at
Mon Oct 22 17:28:33 UTC 2001

> -----Original Message-----
> From:  email at
> Sent: Monday, October 22, 2001 12:48

> you draw a blueprint for a lovely two story colonial house.
> You copyright the blueprint.
> I buy a copy of the blueprint from you.
> I look at your blueprint, and I go and
> draw a blueprint for a lovely three-car garage.


Greg, I don't have any problems with both of your examples. It seems that both
of them are aggregation, i.e. the end user still has to build a house according
to my blueprint, and a garage according to your blueprint. Nothing wrong with
The issue would be if my house had a garage, and you would replace it with
yours. Then you would be effectively changing my design. Can we agree on this?


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