Patent issue about LLVM and JavaScript

Hi,
I’m considering to develop a LLVM frontend for some
ECMAScript like language. But I noticed that Apple has
a patent about it (see www.google.com/patents/US8752016).
I’m not very familiar about patent stuffs, so I’m seeking
help about: Can I release my work for JITing JavaScript
to LLVM IR freely with an open source license, and even
use within commercial projects?

Thanks.

Second Datke

Please do not discuss patents on public mailing lists. If you have a legal question, please consult a lawyer.

David