On Fri, Feb 29, 2008 at 11:00:47PM +0100, Francesco Poli wrote:
> On Wed, 27 Feb 2008 22:22:35 +0100 Diego Biurrun wrote:
> 
> [...]
> > Who told you that Theora was not patent-encumbered?  Have you ever seen
> > anything to substantiate that claim?  Because I haven't ...
> 
> Well, Xiph claims it is unencumbered by patents, in the sense that
> there are no patent-royalties that must be paid in order to
> use/sell/implement the compression format.
> 
> Quoting from http://www.theora.org/benefits/ :
> 
> | Theora comes without licensing fees. Neither commercial nor private use
> | will make you owe money to us. The Theora specification is in the
> | public domain, its reference implementation is open source and subject
> | to a license which permits inclusion in proprietary commercial
> | products. On2, which owns patents that apply to the technical
> | foundations of Theora, granted an unrevocable free license regarding
> | those patents.
> 
> I thought this was true.
> Do you have any reason to believe that Xiph is lying?

Read the paragraph closely.  They only say that *they* won't come
knocking at your door.  No word about third parties.

Diego



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