> When you get into the recycling issues with storage, the patents come
> into play. Also, using the file name to reference revisions is already
> the subject of a patent previously filed (I no longer own the patent, I
> sold them to Canopy). There is a third one about to be issued.
>
> The patents are:
> *
> 6,862,609
> **6,795,895
>
> and this one about to be issued:
>
>
http://www.wipo.int/pctdb/en/fetch.jsp?LANG=ENG&DBSELECT=PCT&SERVER_TYPE=19&SORT=12115...
>
>
> The last one was filed with WIPO and has international protection, UK
> included.