12 Best Patent Agents in Singapore (2026)

Protecting an invention in Singapore means working with a registered patent agent or patent attorney who can draft a specification, file with the Intellectual Property Office of Singapore (IPOS) and steer the application through prosecution. The firms below are real, currently operating Singapore patent and IP practices, spanning specialist patent boutiques and full-service firms that also handle trademarks and designs. Compare a shortlist on technical field, filing reach and fee structure before you engage one.

Marks & Clerk runs one of Singapore's longer-established patent practices, drafting and prosecuting patents across local and international filings and advising on commercially focused patent strategy and portfolio management. The firm says its registered patent attorneys have technical backgrounds spanning mechanical and chemical engineering, electronics, software, biotechnology, materials and pharmaceuticals, and that it has practised locally since the Singapore Patents Act took effect in 1995. Its office also acts as a Southeast Asian hub, coordinating cross-border filing strategies for clients seeking protection across ASEAN.

Tanjong Pagar
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Spruson & Ferguson operates a large, long-running Singapore patent practice covering patent drafting, filing and prosecution alongside strategic advice and portfolio management. The firm describes itself as the top filer of patents in Singapore by market share, and says it consistently files more patents than any other firm locally. Its registered Singapore patent attorneys work across technical areas including chemical and life sciences, drawing on colleagues from the firm's wider Asia-Pacific network. It suits applicants who want a high-volume, full-service patent team rather than a small boutique.

Beach Road
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Davies Collison Cave is an Australian-origin IP firm that opened its Singapore office in 2015 as its first base outside Australia. The Singapore team provides patent drafting and patent and design filing and prosecution for local and international clients, and the firm says its Singaporean patent and trade mark attorneys are experienced in drafting patent specifications. With further offices across Australia, New Zealand, Hong Kong and Malaysia, DCC positions its Singapore practice to support patent strategies that span the wider Asia-Pacific region rather than a single jurisdiction.

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Amica Law is a specialist intellectual property and technology firm in Singapore that pairs patent work with contentious capability. The firm says its IP-focused services cover both non-contentious matters and litigation, including patent drafting and patent portfolio management alongside trade mark and design work and IP enforcement. Because it handles disputes as well as filing, it suits businesses that may need to enforce or defend a patent, not only register one, and want prosecution and litigation advice from a single specialist team.

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Yusarn Audrey positions itself around IP strategy as much as filing, and says it drafts patent claims for highly complex inventions, handles patent prosecution and advises on patent licensing and acquisition. Its patent professionals cover technical fields including biotechnology, chemistry, electronics, telecommunications, IT, construction and mechanical inventions, and the firm offers portfolio management and strategic protection planning across key markets. It suits research-driven companies and institutions that want patent filing set within a broader commercialisation and IP-management strategy.

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Mirandah Asia is a regional IP firm that runs its network from Singapore and handles the preparation and management of domestic and international patent applications. The firm says it offers freedom-to-operate opinions, investigations and patent searching through extensive databases and proprietary software, and that it coordinates filings across eleven jurisdictions including Singapore, Malaysia, Indonesia, Thailand, Vietnam and India. It suits applicants who want a single Singapore contact to file and manage patents across Southeast Asia and India.

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Cantab IP is a Singapore firm of patent attorneys and trade mark agents, focused on patent drafting, filing and prosecution before IPOS and on PCT national phase entry. Its patent work spans mechanical, electronics and computer software, medical devices, chemistry, biotechnology, pharmaceuticals and the life sciences. The practice is led by Dr Chong-Yee Khoo, whom the firm describes as a registered Singapore patent agent, Chartered UK Patent Attorney and European Patent Attorney. Operating since 2007, it suits start-ups and SMEs wanting attorney-led filing.

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FPA Patent Attorneys runs a Singapore office offering patent specification drafting, PCT national phase entry, and patent examination and prosecution, along with freedom-to-operate analysis, patent searching and design registration. The firm lists technical expertise across areas including biotechnology, chemistry, computing and telecommunications, energy and clean technology, medical technology, pharmaceuticals, and software and artificial intelligence. It says its team includes patent attorneys registered with IPOS. The breadth of freedom-to-operate and search work suits companies weighing risk before launching a product.

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Viering, Jentschura & Partner (VJP) is a German-headquartered IP firm whose Singapore office, established in 1997, sits at the centre of its Southeast Asian work. The firm says its team includes patent attorneys, attorneys-at-law, engineers and scientists, and that some partners sit on the boards of examination for qualification and admission before the European Patent Office and in Singapore. As an IP boutique built around technical expertise, its core work covers patent drafting, filing and prosecution, run from its Bugis Junction Towers office.

Bugis
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KASS International is a Southeast Asian IP boutique, established in 1999, with its Singapore office at Fortune Centre and sister offices in Malaysia and Indonesia. The firm offers in-house patent drafting supported by qualified technical experts, and says its team covers a broad set of technical fields including chemistry and chemical engineering, mechanical engineering, biotechnology, pharmaceuticals, electronics, IT and telecommunications, and materials science. Alongside patents it handles trademarks, copyright and IP strategy consulting, making it a fit for innovators wanting technical-specialist drafting.

Bugis
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Dennemeyer is a global intellectual property group with a Singapore office at Singapore Land Tower, combining a law-firm arm with IP-management services and software. The firm says its attorneys guide decisions across the entire patent life cycle, including drafting, prosecution, opposition and enforcement, and it handles international patent filing, PCT nationalisation and renewals. Its Singapore base supports companies managing patent portfolios across many jurisdictions, which suits organisations that want filing, prosecution and renewal administration under one coordinated provider.

Raffles Place
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Horizon IP is a boutique patent and trade mark firm established in Singapore in 2002, with a US branch opened in 2008. The firm says its team combines US patent attorneys, Singapore and Chinese patent agents and former examiners from the USPTO and China's CNIPA, most holding advanced engineering degrees. It describes expertise across US IP law, IPOS, the European Patent Office and CNIPA, and international routes such as the PCT and Paris Convention. That cross-border bench suits Singapore start-ups and SMEs filing patents into the US and China.

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