Ireland
Patents Act 1992
See: Patents Act 1992
Most relevant is Chapter II: Patentability[1], which says:
9.—(1) An invention shall be patentable under this Part if it is susceptible of industrial application, is new and involves an inventive step.
(2) Any of the following in particular shall not be regarded as an invention within the meaning of subsection (1):
(a) a discovery, a scientific theory or a mathematical method,
(b) an aesthetic creation,
(c) a scheme, rule or method for performing a mental act, playing a game or doing business, or a program for a computer,
(d) the presentation of information.
(3) The provisions of subsection (2) shall exclude patentability of subject-matter or activities referred to in that subsection only to the extent to which a patent application or patent relates to such subject-matter or activities as such.
1999 amendments
See: Patents (Amendment) Bill 1999 as passed by both Houses
Most relevant part(s):
Section 9 of the Principal Act is amended—
(a) in subsection (1), by inserting “, in all fields of tech- nology,” after “An invention”, and
2006 amendments
See: Patents (Amendment) Act 2006