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RE: [Asrg] US Spam patents: Partial list

Yakov Shafranovich <research@solidmatrix.com> Tue, 01 July 2003 20:02 UTC

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To: bob@wyman.us, asrg@ietf.org
From: Yakov Shafranovich <research@solidmatrix.com>
Subject: RE: [Asrg] US Spam patents: Partial list
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Date: Tue, 01 Jul 2003 16:00:58 -0400

At 03:51 PM 7/1/2003 -0400, Bob Wyman wrote:

>Yakov Shafranovich wrote:
>Re: http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6587550
> >Does this seems to cover all kinds of e-stamp systems?
>         It certainly seems to cover some of them. Nonetheless, I'm sure
>you appreciate that it is very hard to make flat statements about what
>is covered by any particular patent.

It seems to at least cover systems where the receiver wants the sender to 
pay before the email goes through. I vaguely remember one commercial system 
like that.

Also, what about patent # 5,999,967? It seems to cover generic e-stamps?

Yakov 


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