Re: [Roll] updating DAO caches (was Re: Something to ADD)

[Philip Levis <pal at cs.stanford.edu>]

On Nov 18, 2009, at 10:59 AM, Roger K. Alexander wrote:

> Hi Pascal,
>
> See link to a public reference as appearing in 'RFC Express' (a very
> different RFC). The article provides references to the cited patents  
> (the
> texts of which can be found on the web).
>
> http://www.rfcexpress.com/lawsuit-news.asp?id=3461
>
> Since we do not practice any form of source routing we continue to  
> contest
> the allegation, though it is believed others may have settled. Based  
> on what
> we have seen, this type of litigation is an emerging part of the AMI
> industry.

Bummer. Since contesting infringement can be easier than validity and  
settlement can be attractive, the patent remains.

Phil