Jurisdiction(s):
United Kingdom

Key definition

Invention definition

What does Invention mean? In legal practice, an invention is the claimed technical solution to a problem, defined by its technical features in the patent claims and description. Across the UK (England & Wales, Scotland and Northern Ireland) under the Patents Act 1977 and the European Patent Convention (EPC), and in Ireland under the Patents Act 1992, “invention” is not exhaustively defined; instead, legislation sets patentability requirements (novelty, inventive step, industrial applicability and sufficiency) and lists exclusions. Subject matter that is a discovery, scientific theory, mathematical method, aesthetic creation, scheme, rule or method for performing a mental act, playing a game or doing business,...

Singapore patent filing and prosecution: priority, PCT/national phase, convention filings, publication, examination deadlines, grant, and acceleration via GPPH and ASPEC (Archived)

Published by a LexisNexis IP expert

Practice notes

ARCHIVED: This Practice Note has been archived and is not being maintained. It was originally prepared for LexisAdvance® Practical Guidance Singapore.

Priority date

Section 17 of the Patents Act (Cap 221) states that a Singapore patent application takes as its priority date the filing date of the first patent application made in another country. That country must be a Paris Convention party or a World Trade Organisation member. Where the initial filing occurred in Singapore, the Singapore filing date serves as the priority date for subsequent applications abroad. This date fixes the state of the art for evaluating patentability.

Paris Convention Treaty application

An international application under the Paris Convention Treaty (PCT) can be filed with the Intellectual Property Office of Singapore (IPOS) as the receiving office. Doing so safeguards the applicant’s ability to seek patent protection across all PCT contracting states. Afterwards, the applicant has up to 30/31 months from the Singapore PCT filing date to decide whether to proceed to enter the...

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Web page updated on 22/05/2026

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