It seems the summary is, "Software patents are bad, Microsoft is demanding license fees from manufacturers shipping Android (Linux) based on patents, Microsoft it trying to patent things which have been in Linux for 'years' and getting away with it. Microsoft won't disclose what patents they are licensing/threatening."

My understanding was that the patent basket Microsoft was asserting was the same, and it was outlined by the Chinese[1]. An article covering that was here[2] among other places.

[1] http://images.mofcom.gov.cn/pep/201404/20140408143159274.doc...

[2] http://www.zdnet.com/article/310-microsoft-patents-used-in-a...