From Bloomberg, "Huawei alleges that InterDigital is abusing a dominant position for 3G technology patents agreed as industry standards ..."
http://www.bloomberg.com/news/2012-05-24/huawei-files-antitrust-complaint-with-eu-over-interdigital.html
Huawei owes InterDigital money, they acknowledge this but the question is how much? And this is perceived bad, especially by those concerned about future revenue? C'mon. The revenue is there, the question is we don't know how much.