Content, especially good quality content, is an increasingly bigger deal on the web. So protecting content and the rights to the content is a mushrooming business. The likes of Napster have certainly helped as well as the emerging e-book market and increasing intra-site content syndication.

There's a useful article on digital rights management on the Internet Content site at:
http://38.144.115.20/InternetContent/index.asp?news=6992

There aren't that many people in the UK who currently profess to be experts in the DRM area but you should find some by searching on 'digital rights' in the Providers section of this site at http://www.e-consultancy.com/providers/search.asp