You need stuff like patent numbers in question, the companies involved, industries, categories, links to relevant news stories and blog posts, etc. People should be able to submit what they know (you don't want to gather all this info yourself, apart from some initial pile so that the site does not look empty). The website should be easy to use for
1) bloggers/journalists finding out about stories about blatant trolling
2) victims to report their case and find other victims affected by it (automatic search by patent number, trolling company name, etc)
Note that victims will not look for your website in particular unless you're really popular. You have to create a lot of pages for each patent number, each company name, so that google picks them up and they come up on the first page when searching for patent number for example.
This is unfortunately too much for simply a weekend project. The technology is trivial but getting traction with such a website, bringing it to the attention of major blogs and news outlets is the main work to be done.