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Content and relevant of industrial applicability and/or utility as requirements for patentability.
Submitted by: Winnie Tham and Jason Chan, Working Committee for AIPPI Singapore
1. What is the situation in your country?
1.1 Does your country know industrial applicability or utility as an additional requirement for
patentability besides novelty and inventive step?
1.2 How does this comply with TRIPS?
Singapore does recognize industrial applicability as an additional requirement for
patentability besides novelty and inventive step and therefore is in compliance with
2. Industrial applicability
2.1 How is industrial applicability defined?
Under the Patents Act, in order for an invention to be patentable, it must possess novelty,
inventive step and be capable of industrial application. Therefore, industrial applicability
is an additional requirement for patentability.
Industrial applicability is defined as an invention shall be taken to be capable of industrial
application if it can be made or used in any kind of industry, including agriculture.
However, it is specifically provided that a method of treatment of the human or animal
body by surgery or therapy or of diagnosis practised on the human or animal body shall
not be taken to be capable of industrial application. Such methods are not patentable.
A product consisting of a substance or composition from being treated as capable of
industrial application merely because it is invented for use in any such method.
There are no statistics available to indicate how many applications are refused for lack of
2.2 What is the relevance of industrial applicability and how does it affect granting
If an invention is not industrially applicable, it would not qualify as a patentable invention
and therefore can affect the grant of a patent. Under the Singapore patents system
however, it is possible to obtain a grant of a patent despite a negative examination
report. To that extent, it is possible for a patent to be granted even if the invention does
2.3 How is industrial applicability treated in proceedings concerning the validity of patents?
Notwithstanding the above, a patent may be revoked on the basis that an invention is
not patentable. Being a requirement for patentability, the lack of industrial applicability
subjects the patent to the possibility of revocation.
3.2 What is the relevance of utility?
Utility is not defined as a specific requirement of patentability under the Patents Act.
There has been some discussion on the relevance of utility in patents law in Singapore,
particularly in the case of Merck & Co Inc v Pharmaforte Singapore Pte Ltd. This case
was first heard at the High Court, and then went on appeal to the Court of Appeal.
The case dealt with a chemical compound Lovastatin with a dimeric impurity of 0.2% or
less than other products in the prior art. However, the evidence showed that the
enhanced purity did not possess any known benefit to the performance of the drug
either as to toxicity or therapeutic benefits. In the High Court decision of the case, the
learned Judge held that a useful test within a novelty inquiry is to assess the utility of the
patented product. Notwithstanding that there is no statutory requirement for utility, it was
noted that there were clearly cases which imposed the requirement of utility. In such an
enquiry, the question to consider is whether subsequent inventors would be obstructed
from future dealings with the subject. The Judge decided that the relevant claims
would prevent any manufacturer from selling Lovastatin where the dimer was 0.2% or
less, even if manufactured by a different process. Given that the different in purity did
neither harm or good, the court held that the invention cannot be “useful” and therefore
found that the claims in question were invalid. Hence, in the High Court decision, “utility”
was viewed as a relevant criteria in determining novelty of an invention.
In the Court of Appeal decision, the judges followed the position in the pre-1949 UK
Patents Act, which similarly did not contain a requirement for utility. They found that
although there was no provision allowing revocation on the basis of inutility, the court
was not precluded from considering the question of utility in determining patentability.
The court quoted the following passage from Alsop’s Patent
(1907) 24 RPC 733 which it
“In considering the validity of a patent for a process it is, therefore material to
ascertain precisely what the patentee claims to be the result of the process for
which the patent has been granted; the real consideration for which he gives for
the grant is the disclosure of a process which produces a result, and not the
disclosure of a process which may or may not produce any result at all. If the
patentee claims protection for a process for producing a result and that result
cannot be produced by the process, in my opinion the consideration fails.
Similarly, if the patentee claims a process producing two results combined and
only one of these results is in fact produced by the process, there is a partial
failure of consideration . and such partial failure of consideration is sufficient to
avoid the patent . Objections to patents on [this ground] are sometimes treated
as objections for want of utility, and when so treated the well known rule is that
the utility of an invention depends upon, whether by following the directions of the
patentee, the result which the patentee professed to produce can in fact be
produced. Want of utility in this sense must be distinguished from want of utility in
the sense of the invention being useless for any purpose whatsoever. In the case
of an invention not serving any useful purpose at al , the patent would no doubt
be void, but not entirely for the same reason. It would probably be void at
common law on the ground that the King`s prerogative could not be properly
exercised unless there were some consideration moving to the public, and the
public could not be benefited by the disclosure of something absolutely useless.”
It further quoted with approval the old English case of Lane Fox v Kensington &
Knightsbridge Electric Lighting Co Ltd
 3 Ch 431 where Lindley LJ opined:
The utility of the alleged invention depends . on whether by [directions in the
complete specification] the effects which the patentee professed to produce
could be produced . Utility is often a question of degree, and always has
reference to some object. Useful for what? It is a question which must be always
asked and the answer must be, useful for the purposes indicated by the
Taking this interpretation, the court held that the fact that the compound with a lessor
dimer impurity is of the same efficacy as a statin with a higher degree of dimer impurity
does not render it as being of no utility. Nonetheless, whether or not there is a new use
or further advantage is an argument that should be considered under novelty or
To summarize, Singapore does appear to recognize “utility” as an implicit requirement,
although it is not specifically mentioned in the legislation.
3.3 How is utility treated in proceedings concerning the validity of patents?
There is no specific ground of revocation on the basis of inutility. However, it may be
regarded as being relevant to the issue of whether the specification enables the
invention to be understood clearly and completely in order for it to be carried into effect
by a person skilled in the art (known also as “sufficiency of disclosure”). The lack of
sufficiency is a ground of revocation under the Patents Act.
Industrial applicability is a requirement for patentability under the Patents Act in Singapore. The
concept of “utility” is also required. It would seem reasonable to require that there is “utility” in
inventions in the sense that the results which the patentee professes to produce in fact can be
produced. In this way, the “contract” formed by the grant of a patent is honoured. This
requirement is implied in, or covered under the requirement that a specification discloses the
invention clearly and completely enough for it to be a performed by a person skilled in the art.
Milk Thistle Text by Armando González Stuart, Ph.D., 2005 Botanical family: Asteraceae (Compositae). Other common names: Marian thistle, St. Mary’s Thistle. Common names in Spanish: Cardo mariano, Cardo lechoso. Medicinal parts: The dried, ripe fruits or achenes (“seeds”). The ripe fruits or achenes (“seeds”) of this plant have been employed in Europe for many
Psychopharmacology (2001) 154:61–69DOI 10.1007/s002130000603 Tilman Schulte · Eva M. Müller-Oehring Hans Strasburger · Heinz Warzel · Bernhard A. Sabel Acute effects of alcohol on divided and covert attention in menReceived: 10 May 2000 / Accepted: 2 October 2000 / Published online: 21 December 2000© Springer-Verlag 2000 Abstract Rationale: While several studies identifiedaltered