AW: Re: Copyrights of synthesizer circuits

Michael Zacherl - Bacher Systems EDV GmbH mz at
Tue Jun 20 23:19:47 CEST 1995

> We had a patent lawyer here in our group for an information
> talk about patents. I was astonished, too, but he said that after
> 20 years everybody is allowed to use the patented technology
> for any commercial purpose. No possibility to make this period
> longer. After 20 years it's all over and free.

This is probably the case with R.A.Moog's patents as well as with Yamaha's/J.Chowning's
FM stuff ...

> This is what I heard from someone who must know it; but I would
> not personally stand for this information; after all *I* am no
> lawyer, too, and maybe lawyers will be hunting me for a simple warning
> I made on the AH list, already ;-> ;->

Hopefully not :-)

We should discuss that again when we're planning to go commercial (i.e. in ten years
or so }:->  )


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