—(1) An invention shall be taken to be new if it does not form part of the state of the art.
(2) The state of the art in the case of an invention shall be taken to comprise all matter (whether a product, a process, information about either, or anything else) which has at any time before the priority date of that invention been made available to the public (whether in Singapore or elsewhere) by written or oral description, by use or in any other way.
(3) The state of the art in the case of an invention to which an application for a patent or a patent relates shall be taken also to comprise matter contained in an application for another patent which was published on or after the priority date of that invention, if the following conditions are satisfied:
that matter was contained in the application for that other patent both as filed and as published; and
the priority date of that matter is earlier than that of the invention.
(4) For the purposes of this section, the disclosure of matter constituting an invention shall be disregarded in the case of a patent or an application for a patent if occurring later than the beginning of the period of 12 months immediately preceding the date of filing the application for the patent and either —
the disclosure was due to, or made in consequence of, the matter having been obtained unlawfully or in breach of confidence by any person —
from the inventor or from any other person to whom the matter was made available in confidence by the inventor or who obtained it from the inventor because he or the inventor believed that he was entitled to obtain it; or
from any other person to whom the matter was made available in confidence by any person mentioned in sub-paragraph (i) or in this sub-paragraph or who obtained it from any person so mentioned because he or the person from whom he obtained it believed that he was entitled to obtain it;
the disclosure was made in breach of confidence by any person who obtained the matter in confidence from the inventor or from any other person to whom it was made available, or who obtained it, from the inventor;
the disclosure was due to, or made in consequence of, the inventor displaying the invention at an international exhibition and the applicant states, on filing the application, that the invention has been so displayed and also, within the prescribed period, files written evidence in support of the statement complying with any prescribed condition; or
the disclosure was due to, or made in consequence of, the inventor describing the invention in a paper read by him or another person with his consent or on his behalf before any learned society or published with his consent in the transactions of any learned society.
(5) In subsection (4)(d), “learned society” includes any club or association constituted in Singapore or elsewhere whose main object is the promotion of any branch of learning or science.
(6) In this section, references to the inventor include references to any proprietor of the invention for the time being.
(7) In the case of an invention consisting of a substance or composition for use in a method of treatment of the human or animal body by surgery or therapy or of diagnosis practised on the human or animal body, the fact that the substance or composition forms part of the state of the art shall not prevent the invention from being taken to be new if the use of the substance or composition in any such method does not form part of the state of the art.
[UK Patents 1977, s. 2]