Jill Ann Koh Ying

Jill Ann Koh Ying is a legal practitioner in Singapore. With documented cases from 2016 to 2024. The lawyer has handled 8 cases in Singapore's courts. Associated with 1 law firm. The lawyer demonstrates particular expertise in arbitration and minority oppression. Their track record shows a 25.0% success rate in resolved cases. They have managed 3 complex cases, representing 38% of their total caseload.

Areas of Practice and Expertise

Jill Ann Koh Ying has demonstrated expertise across 44 primary practice areas, with significant experience in contract law and arbitration.

Practice Area	Case Volume	Distribution	Expertise Level	Description
Contract Law	7 cases	10% of total caseload	General Practice43% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 7 cases which represents 10% of their total caseload.
Arbitration	5 cases	7% of total caseload	Highly Specialized89% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 5 cases which represents 7% of their total caseload.
Company Law	4 cases	6% of total caseload	General Practice39% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 4 cases which represents 6% of their total caseload.
International Commercial Arbitration	3 cases	4% of total caseload	Experienced63% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 3 cases which represents 4% of their total caseload.
Duty of Candour	2 cases	3% of total caseload	Experienced60% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 2 cases which represents 3% of their total caseload.
Civil Practice	2 cases	3% of total caseload	General Practice35% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 2 cases which represents 3% of their total caseload.
Estoppel	2 cases	3% of total caseload	General Practice23% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 2 cases which represents 3% of their total caseload.
International Arbitration Act	2 cases	3% of total caseload	Experienced60% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 2 cases which represents 3% of their total caseload.
Minority Oppression	2 cases	3% of total caseload	Highly Specialized88% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 2 cases which represents 3% of their total caseload.
Civil Procedure	2 cases	3% of total caseload	General Practice21% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 2 cases which represents 3% of their total caseload.
Evidence	2 cases	3% of total caseload	General Practice27% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 2 cases which represents 3% of their total caseload.
Res Judicata	2 cases	3% of total caseload	Experienced58% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 2 cases which represents 3% of their total caseload.
Accounting	2 cases	3% of total caseload	General Practice45% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 2 cases which represents 3% of their total caseload.
Contractual terms	1 cases	1% of total caseload	General Practice30% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Lack of proper notice	1 cases	1% of total caseload	Highly Specialized80% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Damages Assessment	1 cases	1% of total caseload	Experienced60% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Recognition and Enforcement of Foreign Arbitral Awards	1 cases	1% of total caseload	Experienced60% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Costs	1 cases	1% of total caseload	General Practice40% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Stay of Proceedings	1 cases	1% of total caseload	Experienced65% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Legal Profession Act	1 cases	1% of total caseload	Highly Specialized90% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Remedies	1 cases	1% of total caseload	Experienced70% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Trust Law	1 cases	1% of total caseload	Highly Specialized90% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Setting Aside Arbitral Award	1 cases	1% of total caseload	Highly Specialized95% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Shareholders Agreement	1 cases	1% of total caseload	General Practice20% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Professional Negligence	1 cases	1% of total caseload	Experienced50% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Share Purchase Agreement	1 cases	1% of total caseload	General Practice40% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Equity	1 cases	1% of total caseload	Highly Specialized85% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Breach of Contractual Warranties	1 cases	1% of total caseload	General Practice30% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Tort of Deceit	1 cases	1% of total caseload	Experienced70% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Pre-Effective Date Indemnity	1 cases	1% of total caseload	Experienced50% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Account of Profits	1 cases	1% of total caseload	General Practice40% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Shareholder Agreements	1 cases	1% of total caseload	Experienced50% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Business Litigation	1 cases	1% of total caseload	Experienced50% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Commercial Law	1 cases	1% of total caseload	Experienced50% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Corporate Law	1 cases	1% of total caseload	Experienced60% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Enforcement of Foreign Arbitral Awards	1 cases	1% of total caseload	General Practice20% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Enforcement of Foreign Judgments	1 cases	1% of total caseload	Highly Specialized75% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
International Commercial Contracts	1 cases	1% of total caseload	General Practice40% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Fiduciary Duties	1 cases	1% of total caseload	Highly Specialized95% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Commercial Disputes	1 cases	1% of total caseload	General Practice40% relevance score	Jill Ann Koh Ying has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Misrepresentation	1 cases	1% of total caseload	Highly Specialized80% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Fraud and Deceit	1 cases	1% of total caseload	Experienced70% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Jurisdiction	1 cases	1% of total caseload	Experienced70% relevance score	Jill Ann Koh Ying has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Disciplinary Proceedings	1 cases	1% of total caseload	Highly Specialized95% relevance score	Jill Ann Koh Ying has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.

Law Firm Affiliations

Jill Ann Koh Ying has been affiliated with 1 law firm. The most active affiliation involves 8 cases.

Law Firm	Cases Handled	Workload Share	Recent Cases
WongPartnership LLP	8 cases	100% of cases	Wang Bin v Zhong Sihui: Enforcement of Foreign Arbitral Award & Notice of Arbitration(Jul 2024) Law Society v Seah Choon Huat Johnny: Professional Misconduct & Disciplinary Sanctions(Jan 2024) CFJ v CFL: Setting Aside Arbitral Award for Oil & Gas Share Sale Dispute(Jan 2023)

Case Complexity Analysis

Analysis of Jill Ann Koh Ying's case complexity based on the number of parties involved and case characteristics.

Complexity Overview

Average Parties per Case: 4.1
Complex Cases: 3 (38%); Cases with more than 3 parties

Complexity by Case Type

Type	Cases	Avg Parties	Distribution
Lost	64.5 parties avg	4.5	75%
Won	22.0 parties avg	2.0	25%

Complexity Trends Over Time

Year	Cases	Average Parties
2016	13.0 parties avg	3.0
2017	13.0 parties avg	3.0
2018	26.0 parties avg	6.0
2019	12.0 parties avg	2.0
2023	14.0 parties avg	4.0
2024	22.0 parties avg	2.0

Case Outcome Analytics

Analysis of Jill Ann Koh Ying's case outcomes, including distribution by type, yearly trends, and monetary outcomes where applicable.

Outcome Distribution

Outcome Type	Cases	Percentage
Lost	6(75%)	75%
Won	2(25%)	25%

Monetary Outcomes

Currency	Total Amount	Average	Cases
SGD	36,216.24	7,243.255 cases	5

Yearly Outcome Trends

Year	Total Cases	Outcome Distribution
2016	1 1	Lost: 1 cases (100.0%)
2017	1 1	Lost: 1 cases (100.0%)
2018	2 2	Lost: 2 cases (100.0%)
2019	1 1	Won: 1 cases (100.0%)
2023	1 1	Lost: 1 cases (100.0%)
2024	2 11	Lost: 1 cases (50.0%) Won: 1 cases (50.0%)

Case History

Displaying all 8 cases

No.	Case	Decision Date	Party & Outcome
1	Wang Bin v Zhong Sihui: Enforcement of Foreign Arbitral Award & Notice of Arbitration 22 Jul 2024 Zhong Sihui (Defendant)Lost	22 Jul 2024	Zhong Sihui (Defendant): Application dismissedDefendant's application to set aside the enforcement order was dismissed. (assumed SGD, as the judgment originates from Singapore).
2	Law Society v Seah Choon Huat Johnny: Professional Misconduct & Disciplinary Sanctions 24 Jan 2024 The Law Society of Singapore (Applicant)Won	24 Jan 2024	The Law Society of Singapore (Applicant): Application GrantedApplications OA 1 and OA 6 granted; costs awarded in the aggregate sum of $15,716.24 for OA 1 and $20,500 for OA 6 (assumed SGD, as the judgment originates from Singapore).
3	CFJ v CFL: Setting Aside Arbitral Award for Oil & Gas Share Sale Dispute 30 Jan 2023 CFK (Plaintiff)Lost	30 Jan 2023	CFK (Plaintiff): Applications dismissed in their entiretyApplications to set aside the Second and Third Partial Awards and to remove the Presiding Arbitrator were dismissed.
4	BVU v BVX: Setting Aside Arbitral Award for Alleged Fraud and Public Policy Violation 12 Mar 2019 BVX (Defendant, Respondent)Won	12 Mar 2019	BVX (Defendant, Respondent): Application to set aside the Supplier’s subpoena allowedApplication to set aside the Supplier’s subpoena allowed.
5	Cheong Soh Chin v Eng Chiet Shoong: Fiduciary Duties, Account on Wilful Default 27 Sep 2018 C S Partners Pte Ltd (Defendant)Lost	27 Sep 2018	C S Partners Pte Ltd (Defendant): Claim Partially DismissedClaim partially dismissed; the exact monetary amount will be determined after hearing parties on interest, costs, and the form of the judgment. Assumed SGD, as the judgment originates from Singapore.
6	Cheong Soh Chin v Eng Chiet Shoong: Res Judicata & Issue Estoppel in Accounting Phase 27 Sep 2018 C S Partners Pte Ltd (Defendant)Lost	27 Sep 2018	C S Partners Pte Ltd (Defendant): Judgment against DefendantThe court held that both cause of action estoppel and issue estoppel operate to prevent the defendants from arguing that there was an overarching agreement for the plaintiffs to pay the costs and expenses incurred by the defendants. Assumed SGD as the judgment originates from Singapore.
7	L Capital Jones Ltd v Maniach Pte Ltd: Arbitrability of Minority Oppression Claims & O 57 r 9A(5) Interpretation 08 Jan 2017 Jones the Grocer Group Holdings Pte Ltd (Appellant)Lost	08 Jan 2017	Jones the Grocer Group Holdings Pte Ltd (Appellant): Appeal DismissedAppeal dismissed; costs reserved to the court hearing the oppression action (assumed SGD, as the judgment originates from Singapore).
8	Maniach Pte Ltd v L Capital Jones Ltd: Minority Oppression & Arbitrability 21 Apr 2016 Jones the Grocer Group Holdings Pte Ltd (Defendant)Lost	21 Apr 2016	Jones the Grocer Group Holdings Pte Ltd (Defendant): Application for stay of proceedings dismissedDefendant's application to stay the proceedings in favour of arbitration was dismissed.