"Ogg provides a baseline of fully unencumbered, fully open, fully documented, fully royalty-free codecs that are lighter-weight than the contemporary encumbered solutions while offering comparable or superior performance. Ogg is not fantasy or vapourware. It is widely deployed, tested, and reviewed. Ogg has already stood the test of time.
"Xiph knows of no infringing technology in Ogg. Tens of millions of copies have been deployed worldwide over the past ten years in a diverse array of software and hardware products from small .orgs like Wikimedia to giant commercial vendors such as Samsung and Microsoft. Ogg has triggered no litigation to date..."