A unanimous Full Federal Court in Australia today decided that a computer implemented method of creating an investment index is not patentable, on the basis that the substance of the claimed invention – an abstract idea or scheme – was itself not patentable subject matter, and simply implementing that invention via a computer would not render it patentable.
See Research Affiliates LLC v Commissioner of Patents  FCAFC 150
See also this case note.
Many internet related inventions may not be patentable subject matter in Australia as a result of this decision.
These articles are some of the interesting articles dealing with ownership of copyright and patentable inventions produced by an AI machine ...
This website has some useful links and references: http://www.epiphanysolutions.co.uk/article-index/rights-and-laws-of-the-internet/
Rokt is fighting in Federal Court to have a patent application allowed. The Commissioner of Patents is opposing the grant of the patent: ...