Thanks for your support darksoul. Actually I'd also like to look at his patent. Which exactly "unique" technology" he has patented. Is a patent on RSS feed generation algorithms similar to ones used in WordPress and other famous scripts? Or may be it's a patent on text morphing algorithms similar to
http://www.rssmagician.com/,
http://www.articlebot.com/ and many others?
Jace said they will "investigate the product our customers are using". Hmm... I believe even a brief "investigation" will give a clean answer: the name of product they are using to generate the RSS feeds is WordPress. I don't think feedpushers' team is so stupid to sue WordPress authors, so it makes me think these guys are just bluffing to scare my US-based clients (making some troubles for his own nationals is a normal way of doing "business" by edgeprod).
P.S. Will be waiting here for a copy of mentioned paten and for the date of its registration.