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2. What are not regarded as patentable inventions?

Under section 9A of the Patents Ordinance, the following inventions are not patentable:-

  • a discovery, scientific theory or mathematical method;
  • an aesthetic creation;
  • a scheme, rule or method for performing a mental act, playing a game or doing business, or a program for a computer;
  • a presentation of information;
  • the publication or working of which would be contrary to public order or morality;
  • a plant or animal variety; and
  • an essentially biological process for the production of plants or animals (other than a microbiological process or its products).