Patents

Patents is a primary practice area in Singapore's legal system. This area encompasses 71 cases from 2000 to 2024.

Leading Law Firms

Analysis of law firms specializing in Patents, ranked by case volume and success rates.

Law Firm	Cases	Success Rate	Key Lawyers	Recent Cases
Allen & Gledhill LLP23.08% success rate	13 cases18.3% of area	23.08% success rate	Vignesh Vaerhn (10 cases) Stanley Lai (4 cases) Tan Lijun (3 cases)	Kiri Industries v Senda International Capital: Share Valuation & Oppression(Jun 2021) ASM Technology v Towa Corporation: Patent Infringement & Modularity(Jan 2018) Warner-Lambert v Novartis: Patent Amendment, Industrial Application & Novelty(Jul 2017)
Drew & Napier LLC18.18% success rate	11 cases15.5% of area	18.18% success rate	Tony Yeo Soo Mong (3 cases) Meryl Koh Junning (2 cases) Yeo Javier (2 cases)	IIa Technologies v Element Six: Patent Invalidity & Infringement in CVD Diamond Production(Feb 2023) Kiri Industries v Senda International Capital: Share Valuation & Oppression(Jun 2021) Element Six Technologies Ltd v IIa Technologies Pte Ltd: Patent Infringement & Validity Dispute(Jul 2020)
Infinitus Law Corporation45.45% success rate	11 cases15.5% of area	45.45% success rate	Wong Siew Hong (10 cases) Kalaiselvi d/o Singaram (2 cases) Kalaiselvi Singaram (2 cases)	Main-Line v UOB & FCC: Patent Infringement, Dynamic Currency Conversion, Account of Profits(Dec 2011) Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd: Patent Infringement & Interim Payment(Mar 2010) Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd: Election of Remedies for Patent Infringement(Oct 2009)
Eldan Law LLP33.33% success rate	9 cases12.7% of area	33.33% success rate	Daniel Koh (5 cases) Wong Siew Hong (4 cases) Kuek Kai Liang (2 cases)	Millennium Pharmaceuticals v Zyfas Medical: Patent Infringement, Bortezomib Synthesis & Validity(Dec 2023) Zyfas Medical v Millennium Pharmaceuticals: Patent Declaration & Therapeutic Product Registration(Aug 2020) Millennium Pharmaceuticals v Zyfas Medical: Statutory Interpretation & Patent Disclosure(Feb 2020)
Mirandah Law LLP55.56% success rate	9 cases12.7% of area	55.56% success rate	Suhaimi Bin Lazim (7 cases) Yan Chongshuo (4 cases) Chow Jian Hong (4 cases)	Millennium Pharmaceuticals v Zyfas Medical: Patent Infringement, Bortezomib Synthesis & Validity(Dec 2023) Zyfas Medical v Millennium Pharmaceuticals: Patent Declaration & Therapeutic Product Registration(Aug 2020) Millennium Pharmaceuticals v Zyfas Medical: Statutory Interpretation & Patent Disclosure(Feb 2020)
Rodyk & Davidson LLP37.50% success rate	8 cases11.3% of area	37.50% success rate	Alvin Lim (4 cases) Lee Ai Ming (3 cases) Foo Maw Shen (2 cases)	Ship's Equipment Centre Bremen GmbH v Fuji Trading: Patent Infringement & Validity of Twistlock Coupling Device(Jun 2015) Towa Corp v ASM Technology: Specific Discovery in Patent Infringement Suit(Feb 2015) Towa Corp v ASM Tech: Patent Infringement & Inspection of IDEALmold Machine(Aug 2014)
Rajah & Tann Singapore LLP50.00% success rate	8 cases11.3% of area	50.00% success rate	Leow Jiamin (6 cases) Nicholas Lauw (3 cases) Lau Kok Keng (3 cases)	Kiri Industries v Senda International Capital: Share Valuation & Oppression(Jun 2021) Sun Electric v Sunseap: Security for Costs in Patent Infringement Suits(Jan 2020) Sun Electric v Sunseap: Patent Infringement, Interrogatories, and Particulars(Aug 2019)
Amica Law LLC16.67% success rate	6 cases8.5% of area	16.67% success rate	Jason Chan (3 cases) Melvin Pang (3 cases) Ong Eu Jin (2 cases)	IIa Technologies v Element Six: Patent Invalidity & Infringement in CVD Diamond Production(Feb 2023) Element Six Technologies Ltd v IIa Technologies Pte Ltd: Patent Infringement & Validity Dispute(Jul 2020) Element Six Technologies Ltd v IIa Technologies Pte Ltd: CVD Diamond Patents, Validity, and Infringement(Feb 2020)
Tan Kok Quan Partnership16.67% success rate	6 cases8.5% of area	16.67% success rate	Ang Wee Tiong (4 cases) Kannan Ramesh (2 cases) Eddee Ng (1 cases)	Main-Line Corp v UOB & First Currency Choice: Patent Infringement, Damages Assessment(Dec 2016) Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd: Patent Infringement & Interim Payment(Mar 2010) Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd: Election of Remedies for Patent Infringement(Oct 2009)
Rajah & Tann LLP40.00% success rate	5 cases7.0% of area	40.00% success rate	Wendy Low Wei Ling (3 cases) Lionel Tan (1 cases) Jocelyn Chan (1 cases)	Energenics Pte Ltd v Musse Singapore Pte Ltd: Inventorship Rights & Patents Act Dispute(Jul 2013) Martek v Cargill: Arachidonic Acid Patent Validity - Novelty & Inventive Step(Feb 2012) Martek v Cargill: Patent Revocation, Microbial Oil Mixtures, and Infant Formula Supplementation(Mar 2011)

Notable Lawyers

Leading lawyers practicing in Patents, ranked by case volume and success rates.

Lawyer	Cases	Success Rate	Expertise Level	Recent Cases
Wong Siew Hong47.06% success rate	16 cases22.5% of area	47.06% success rate	Highly Specialized85.88% relevance score	Millennium Pharmaceuticals v Zyfas Medical: Patent Infringement, Bortezomib Synthesis & Validity(Dec 2023) Zyfas Medical v Millennium Pharmaceuticals: Patent Declaration & Therapeutic Product Registration(Aug 2020) Millennium Pharmaceuticals v Zyfas Medical: Statutory Interpretation & Patent Disclosure(Feb 2020)
Vignesh Vaerhn30.00% success rate	10 cases14.1% of area	30.00% success rate	Highly Specialized91.5% relevance score	ASM Technology v Towa Corporation: Patent Infringement & Modularity(Jan 2018) Syntroleum v Neste Oil: Patent Infringement, Validity, and Disclosure(Sep 2014) Energenics Pte Ltd v Musse Singapore Pte Ltd: Inventorship Rights & Patents Act Dispute(Jul 2013)
Koh Chia Ling27.27% success rate	10 cases14.1% of area	27.27% success rate	Highly Specialized89.55% relevance score	Main-Line Corp v UOB & First Currency Choice: Patent Infringement, Damages Assessment(Dec 2016) Main-Line v UOB & FCC: Patent Infringement, Dynamic Currency Conversion, Account of Profits(Dec 2011) Hoya Corp v Asahi Glass Co Ltd: Patent Infringement Dispute over Glass Lens Rim(Jan 2010)
Jevon Louis44.44% success rate	8 cases11.3% of area	44.44% success rate	Highly Specialized90.56% relevance score	Nippon Shinyaku Co v Registrar of Patents: Patent Specification Correction Dispute(Jul 2022) Sun Electric v Sunseap: Pleadings, Particulars, & Patent Infringement(Feb 2019) Sunseap v Sun Electric: High Court's Jurisdiction in Patent Revocation Proceedings(Jan 2019)
Jason Chan12.50% success rate	7 cases9.9% of area	12.50% success rate	Highly Specialized92.5% relevance score	IIa Technologies v Element Six: Patent Invalidity & Infringement in CVD Diamond Production(Feb 2023) Element Six Technologies Ltd v IIa Technologies Pte Ltd: Discovery of Documents in Patent Litigation(Aug 2018) AstraZeneca v Sanofi-Aventis: Patent Infringement, Medicines Act & Pharmaceutical Compositions(Mar 2013)
Tony Yeo77.78% success rate	7 cases9.9% of area	77.78% success rate	Highly Specialized91.11% relevance score	Element Six Technologies Ltd v IIa Technologies Pte Ltd: Discovery of Documents in Patent Litigation(Aug 2018) Novartis v Ranbaxy: Patent Amendment, Valsartan, Pharmaceutical Preparations, Singapore(Dec 2012) FE Global Electronics v Trek Technology: Patent Infringement, Purposive Claim Construction & Validity(Dec 2005)
Suhaimi Bin Lazim62.50% success rate	7 cases9.9% of area	62.50% success rate	Highly Specialized87.5% relevance score	Millennium Pharmaceuticals v Zyfas Medical: Patent Infringement, Bortezomib Synthesis & Validity(Dec 2023) Zyfas Medical v Millennium Pharmaceuticals: Patent Declaration & Therapeutic Product Registration(Aug 2020) Millennium Pharmaceuticals v Zyfas Medical: Statutory Interpretation & Patent Disclosure(Feb 2020)
Leow Jiamin50.00% success rate	6 cases8.5% of area	50.00% success rate	Highly Specialized84.17% relevance score	Sun Electric v Sunseap: Security for Costs in Patent Infringement Suits(Jan 2020) Sun Electric v Sunseap: Patent Infringement, Interrogatories, and Particulars(Aug 2019) Sun Electric v Sunseap: Pleadings, Particulars, & Patent Infringement(Feb 2019)
Low Chai Chong55.56% success rate	6 cases8.5% of area	55.56% success rate	Highly Specialized89.44% relevance score	TOWA Corp v ASMPT: Patent Infringement Damages Assessment Appeal(Nov 2024) ASM Technology v Towa Corporation: Patent Infringement & Modularity(Jan 2018) Towa Corp v ASM Technology: Patent Infringement, Moulding Machine, Inventive Step(Dec 2016)
Foo Maw Jiun40.00% success rate	5 cases7.0% of area	40.00% success rate	Highly Specialized89% relevance score	TOWA Corp v ASMPT: Patent Infringement Damages Assessment Appeal(Nov 2024) ASM Technology v Towa Corporation: Patent Infringement & Modularity(Jan 2018) Towa Corp v ASM Technology: Patent Infringement, Moulding Machine, Inventive Step(Dec 2016)

Recent Judgments

Displaying 50 most recent judgments out of 71 total cases

No.	Title	Court	Decision Date	Outcomes
1	TOWA Corp v ASMPT: Patent Infringement Damages Assessment Appeal	Court of Appeal of the Republic of Singapore	21 Nov 2024	Appeal allowed in part and dismissed in part.
2	Millennium Pharmaceuticals v Zyfas Medical: Patent Infringement, Bortezomib Synthesis & Validity	General Division of the High Court	28 Dec 2023	One patent valid but not infringed, and the other patent invalid for lack of inventive step.
3	IIa Technologies v Element Six: Patent Invalidity & Infringement in CVD Diamond Production	Court of Appeal of the Republic of Singapore	16 Feb 2023	Appeal Allowed
4	Nippon Shinyaku Co v Registrar of Patents: Patent Specification Correction Dispute	General Division of the High Court of the Republic of Singapore	13 Jul 2022	Appeal Allowed
5	Kiri Industries v Senda International Capital: Share Valuation & Oppression	Singapore International Commercial Court	02 Jun 2021	Final valuation of DyStar Global Holdings (Singapore) Pte Ltd to be determined based on the court's conclusions.
6	Zyfas Medical v Millennium Pharmaceuticals: Patent Declaration & Therapeutic Product Registration	Court of Appeal of the Republic of Singapore	26 Aug 2020	Appeal Dismissed
7	Element Six Technologies Ltd v IIa Technologies Pte Ltd: Patent Infringement & Validity Dispute	High Court of the Republic of Singapore	21 Jul 2020	Judgment for Plaintiff
8	Millennium Pharmaceuticals v Zyfas Medical: Statutory Interpretation & Patent Disclosure	High Court of the Republic of Singapore	06 Feb 2020	Declaration granted to the plaintiff that the defendant's declaration omitted to disclose matter that is material to its application for registration of its therapeutic product.
9	Element Six Technologies Ltd v IIa Technologies Pte Ltd: CVD Diamond Patents, Validity, and Infringement	High Court of the Republic of Singapore	06 Feb 2020	Judgment for Plaintiff in part; Judgment for Defendant in part
10	Sun Electric v Sunseap: Security for Costs in Patent Infringement Suits	High Court of the Republic of Singapore	21 Jan 2020	The Plaintiff was ordered to furnish security for costs. Proceedings stayed until security is provided.
11	Sun Electric v Sunseap: Patent Infringement, Interrogatories, and Particulars	High Court of the Republic of Singapore	26 Aug 2019	The court declined to order the withdrawal of the Interrogatories, with amendments to some interrogatories. The Plaintiff is to file further and better particulars after receipt of the Defendants’ answers to the Interrogatories.
12	Millennium Pharmaceuticals v Drug Houses of Australia: Patent Infringement & Injunctions	Court of Appeal of the Republic of Singapore	29 Apr 2019	Civil Appeal No 79 of 2018 allowed; Civil Appeal No 84 of 2018 dismissed.
13	Sun Electric v Sunseap: Pleadings, Particulars, & Patent Infringement	High Court of the Republic of Singapore	18 Feb 2019	Application for further and better particulars granted in part and dismissed in part; alternative prayer for striking out dismissed.
14	Sunseap v Sun Electric: High Court's Jurisdiction in Patent Revocation Proceedings	Court of Appeal of the Republic of Singapore	09 Jan 2019	Appeal Allowed
15	Cicada Cube Pte Ltd v National University Hospital: Patent Ownership Dispute	Court of Appeal of the Republic of Singapore	27 Aug 2018	Appeals Dismissed
16	Element Six Technologies Ltd v IIa Technologies Pte Ltd: Discovery of Documents in Patent Litigation	High Court of the Republic of Singapore	26 Aug 2018	Request 2 and Request 4(i) granted in part. Request 4(ii) disallowed, but explanation on affidavit ordered. Requests 3, 5, and 6 disallowed.
17	Lee Tat Cheng v Maka GPS Technologies: Patent Infringement & Groundless Threat of Proceedings	Court of Appeal of the Republic of Singapore	05 Apr 2018	Appeal allowed in part.
18	ASM Technology v Towa Corporation: Patent Infringement & Modularity	Court of Appeal of the Republic of Singapore	04 Jan 2018	Appeal Dismissed
19	Novartis v Bristol-Myers Squibb: Patent Register Rectification	High Court of the Republic of Singapore	19 Dec 2017	Application allowed with costs.
20		-	07 Dec 2017	Unknown
21	Element Six Technologies Ltd v IIa Technologies Pte Ltd: Patent Infringement, Novelty, and Pleadings	High Court of the Republic of Singapore	18 Oct 2017	Combination Requests and Passage Requests allowed; Commercial Success Requests disallowed.
22	Sun Electric Pte Ltd v Sunseap Group Pte Ltd: Patent Revocation & High Court Jurisdiction	High Court of Singapore	27 Sep 2017	Appeal Allowed
23	Warner-Lambert v Novartis: Patent Amendment, Industrial Application & Novelty	Court of Appeal of the Republic of Singapore	31 Jul 2017	Appeal dismissed
24	Sun Electric v Sunseap: Patent Validity, Groundless Threats, and Revocation	High Court of the Republic of Singapore	03 May 2017	Application to strike out parts of the Defence and Counterclaim and the Particulars of Objection is declined. The Defendants are ordered to amend paragraphs 4, 14 and 16 of the Defence and Counterclaim.
25	National University Hospital v Cicada Cube: Patent Ownership Dispute over Laboratory Specimen Collection System	High Court of the Republic of Singapore	13 Mar 2017	Ordered that Dr. Sethi, Dr. Ratty and Dr. Poo be named as joint inventors of the invention, and for NUH to be named as a joint proprietor of the Patent together with Cicada.
26	Lee Tat Cheng v Maka GPS Technologies: Patent Infringement, Validity & Groundless Threat	High Court of the Republic of Singapore	12 Mar 2017	Judgment for Defendant on non-infringement; Injunction granted to Defendant against Plaintiff's groundless threats.
27	Main-Line Corp v UOB & First Currency Choice: Patent Infringement, Damages Assessment	High Court of the Republic of Singapore	27 Dec 2016	Judgment for Plaintiff against First Currency Choice Pte Ltd; No further award against United Overseas Bank Ltd.
28	Towa Corp v ASM Technology: Patent Infringement, Moulding Machine, Inventive Step	High Court	21 Dec 2016	Judgment for Plaintiff
29	Warner-Lambert v Novartis: Patent Amendment, Industrial Application & Novelty in Pharmaceutical Patent Dispute	High Court of the Republic of Singapore	25 May 2016	Application to amend the patent in suit is dismissed with costs to the defendant.
30	Ship's Equipment Centre Bremen GmbH v Fuji Trading: Patent Infringement & Validity of Twistlock Coupling Device	High Court	22 Jun 2015	Plaintiff's applications to amend the patents dismissed.
31	Towa Corp v ASM Technology: Specific Discovery in Patent Infringement Suit	High Court	01 Feb 2015	Defendants' application dismissed in its entirety. Plaintiff's application granted in part.
32	Syntroleum v Neste Oil: Patent Infringement, Validity, and Disclosure	High Court	29 Sep 2014	Defendant's applications dismissed without prejudice.
33	Towa Corp v ASM Tech: Patent Infringement & Inspection of IDEALmold Machine	High Court	07 Aug 2014	Plaintiff's application dismissed.
34	Energenics Pte Ltd v Musse Singapore Pte Ltd: Inventorship Rights & Patents Act Dispute	High Court	18 Jul 2013	Application to strike out paragraphs of the Statement of Claim in Suit 383 granted; application to amend Reply in Suit 577 denied.
35	AstraZeneca v Sanofi-Aventis: Patent Infringement, Medicines Act & Pharmaceutical Compositions	High Court	14 Mar 2013	Application allowed in part. AstraZeneca was ordered to provide further particulars regarding its patent infringement claim.
36	Novartis v Ranbaxy: Patent Amendment, Valsartan, Pharmaceutical Preparations, Singapore	High Court	27 Dec 2012	Prayer 1 of the plaintiffs’ application is granted in terms.
37	Main-Line Corporate Holdings Ltd v DBS Bank Ltd: Patent Infringement & Dynamic Currency Conversion	High Court	19 Jul 2012	Judgment for Plaintiff
38	Martek v Cargill: Arachidonic Acid Patent Validity - Novelty & Inventive Step	High Court	15 Feb 2012	Appeal Allowed
39	AstraZeneca v Sanofi-Aventis: Patent Infringement, Medicines Act s12A, Product Licensing	High Court	18 Jan 2012	Application dismissed
40	AstraZeneca AB v Ranbaxy: Striking Out Defence and Counterclaim in Patent Infringement Suit	High Court	12 Jan 2012	Application granted; disputed pleadings in the Defence and Counterclaim struck out.
41	Main-Line v UOB & FCC: Patent Infringement, Dynamic Currency Conversion, Account of Profits	High Court	19 Dec 2011	Account of profits ordered against United Overseas Bank Limited; claim for damages against First Currency Choice Pte Ltd for infringing use outside Singapore struck out.
42	Martek v Cargill: Patent Revocation, Microbial Oil Mixtures, and Infant Formula Supplementation	High Court	28 Mar 2011	Applicant's appeal against the Tribunal's decision in the Revocation Proceedings is allowed. Both parties' appeal and cross-appeal against the Tribunal's decision in the Amendment Proceedings are dismissed, except regarding Claim 42 and consequently Claim 45 in the Proposed 2006 Amendments.
43	Martek v Cargill: Patent Revocation Appeal - Adducing Further Evidence	Court of Appeal	27 Dec 2010	Appeal dismissed with costs and the usual consequential orders.
44	Martek Biosciences Corp v Cargill: Patent Revocation Appeal - Adducing Further Evidence	High Court	02 May 2010	Application dismissed with costs.
45	Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd: Patent Infringement & Interim Payment	Court of Appeal	02 Mar 2010	Appeal Allowed
46	Mühlbauer AG v Manufacturing Integration Technology Ltd: Patent Validity & Infringement	Court of Appeal	22 Feb 2010	Appeal Allowed
47	Hoya Corp v Asahi Glass Co Ltd: Patent Infringement Dispute over Glass Lens Rim	High Court	13 Jan 2010	Appeal allowed in part.
48	Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd: Election of Remedies for Patent Infringement	High Court	15 Oct 2009	Appeals Allowed
49	Main-Line Corporate Holdings v United Overseas Bank: Patent Infringement & Interim Payments	High Court	22 Sep 2009	First defendant's appeal allowed; plaintiff's appeal dismissed.
50	ASM Assembly Automation Ltd v Aurigin Technology: Patent Infringement & Validity in Solder Ball Placement Technology	High Court	15 Sep 2009	ASM's patent was revoked, and an injunction was granted to restrain ASM from threatening Aurigin with legal proceedings for patent infringement. Aurigin is entitled to damages and costs.