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From: "David O'Toole" <dto1138@gmail.com>
To: "Stephen J. Turnbull" <stephen@xemacs.org>
Cc: joakim@verona.se, emacs- devel <emacs-devel@gnu.org>
Subject: Re: strokes-mode and touchscreen patents? was Re: emacs and touchscreen
Date: Sun, 16 Jan 2011 10:10:21 -0500	[thread overview]
Message-ID: <AANLkTi=tA4ncw+R0qD+y_itFi3ad2O6guosOQP2SzAr9@mail.gmail.com> (raw)
In-Reply-To: <87aaj099t3.fsf@uwakimon.sk.tsukuba.ac.jp>

If I do by some chance strike it rich, I would want to fund prior art research.

On Sun, Jan 16, 2011 at 9:56 AM, Stephen J. Turnbull <stephen@xemacs.org> wrote:
> David O'Toole writes:
>  > Something occurred to me today after watching my touchscreen
>  > strokes-mode video. Could the gesture recognition in strokes.el either
>  > 1. be threatened by patents that existed prior to 1997 (the first year
>  > of copyright listed in strokes.el) or 2. qualify as prior art for
>  > techniques patented later?
>
> 1.  Yes.  But why limit to earlier patents?  It infringes patents
>    granted afterward, as well.  Once a patent is granted, it is the
>    defendent's problem to break the patent, not the patentholder's
>    problem to justify the patent.  This is very costly even if you
>    have rock-solid prior art.
>
> 2.  Yes.  But see point 1 for why this doesn't really matter to you
>    unless you're really rich.
>
>



  reply	other threads:[~2011-01-16 15:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-14 15:20 strokes-mode and touchscreen patents? was Re: emacs and touchscreen David O'Toole
2011-01-14 17:02 ` Tassilo Horn
2011-01-14 18:26 ` Stefan Monnier
2011-01-15 22:00   ` David O'Toole
2011-01-17  6:00     ` Richard Stallman
2011-01-16 14:56 ` Stephen J. Turnbull
2011-01-16 15:10   ` David O'Toole [this message]
2011-01-17  6:00     ` Richard Stallman

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