Peter Koy

Peter Koy is a legal practitioner in Singapore. With documented cases from 2000 to 2024. The lawyer has handled 19 cases in Singapore's courts. Associated with 3 law firms. The lawyer demonstrates particular expertise in criminal law and misuse of drugs act. Their track record shows a 74.0% success rate in resolved cases. They have managed 4 complex cases, representing 21% of their total caseload.

Areas of Practice and Expertise

Peter Koy has demonstrated expertise across 51 primary practice areas, with significant experience in criminal law and criminal procedure.

Practice Area	Case Volume	Distribution	Expertise Level	Description
Criminal Law	17 cases	15% of total caseload	Highly Specialized77% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 17 cases which represents 15% of their total caseload.
Criminal Procedure	13 cases	11% of total caseload	Experienced70% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 13 cases which represents 11% of their total caseload.
Evidence	7 cases	6% of total caseload	Experienced56% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 7 cases which represents 6% of their total caseload.
Misuse of Drugs Act	6 cases	5% of total caseload	Highly Specialized96% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 6 cases which represents 5% of their total caseload.
Sentencing	5 cases	4% of total caseload	Highly Specialized75% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 5 cases which represents 4% of their total caseload.
Companies Act	4 cases	4% of total caseload	General Practice49% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 4 cases which represents 4% of their total caseload.
Theft	3 cases	3% of total caseload	General Practice37% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 3 cases which represents 3% of their total caseload.
Company Law	3 cases	3% of total caseload	Experienced58% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 3 cases which represents 3% of their total caseload.
Criminal Revision	3 cases	3% of total caseload	Experienced63% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 3 cases which represents 3% of their total caseload.
Evidence Law	3 cases	3% of total caseload	Highly Specialized75% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 3 cases which represents 3% of their total caseload.
Criminal conspiracy	3 cases	3% of total caseload	Experienced63% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 3 cases which represents 3% of their total caseload.
Administrative Law	2 cases	2% of total caseload	General Practice35% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 2 cases which represents 2% of their total caseload.
Director's Duties	2 cases	2% of total caseload	Highly Specialized75% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 2 cases which represents 2% of their total caseload.
Murder	2 cases	2% of total caseload	Highly Specialized95% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 2 cases which represents 2% of their total caseload.
Civil Procedure	2 cases	2% of total caseload	General Practice45% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 2 cases which represents 2% of their total caseload.
Seizure of Property	2 cases	2% of total caseload	Highly Specialized75% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 2 cases which represents 2% of their total caseload.
Drug Trafficking	2 cases	2% of total caseload	Highly Specialized90% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 2 cases which represents 2% of their total caseload.
Corporate Governance	2 cases	2% of total caseload	Experienced60% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 2 cases which represents 2% of their total caseload.
Appeal	1 cases	1% of total caseload	Experienced60% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Duty of disclosure	1 cases	1% of total caseload	Experienced50% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Money Laundering	1 cases	1% of total caseload	Experienced50% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Sentencing Principles	1 cases	1% of total caseload	Highly Specialized75% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Abetment by conspiracy	1 cases	1% of total caseload	Highly Specialized80% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Cheating	1 cases	1% of total caseload	Highly Specialized95% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Penal Code	1 cases	1% of total caseload	Experienced70% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Locus Standi	1 cases	1% of total caseload	Experienced65% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Legal Professional Privilege	1 cases	1% of total caseload	Highly Specialized75% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Litigation Privilege	1 cases	1% of total caseload	Highly Specialized85% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Corruption	1 cases	1% of total caseload	Experienced50% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Drug Possession	1 cases	1% of total caseload	Highly Specialized80% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Immigration Offences	1 cases	1% of total caseload	Highly Specialized90% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Disclosure Requirements	1 cases	1% of total caseload	Highly Specialized80% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Entrapment	1 cases	1% of total caseload	Experienced50% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Undercover Operations	1 cases	1% of total caseload	General Practice30% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Antitrust and Trade Regulation	1 cases	1% of total caseload	General Practice5% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Banking and Finance	1 cases	1% of total caseload	General Practice15% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Commercial Fraud	1 cases	1% of total caseload	Experienced50% relevance score	Peter Koy 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	Experienced65% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Import and Export Law	1 cases	1% of total caseload	Highly Specialized95% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
International Trade	1 cases	1% of total caseload	Experienced60% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Securities	1 cases	1% of total caseload	Highly Specialized80% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Securities Fraud	1 cases	1% of total caseload	Highly Specialized90% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Fiduciary Duties	1 cases	1% of total caseload	Experienced60% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Commercial Disputes	1 cases	1% of total caseload	General Practice5% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.
Natural justice	1 cases	1% of total caseload	Experienced70% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Admissibility of evidence	1 cases	1% of total caseload	Experienced60% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Endangered Species Law	1 cases	1% of total caseload	Highly Specialized98% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Offences	1 cases	1% of total caseload	Experienced60% relevance score	Peter Koy has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 1% of their total caseload.
Sexual Offences	1 cases	1% of total caseload	Highly Specialized90% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Witnesses	1 cases	1% of total caseload	Highly Specialized80% relevance score	Peter Koy has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 1% of their total caseload.
Contract Law	1 cases	1% of total caseload	General Practice10% relevance score	Peter Koy has demonstrated general practice experiencein this area, handling 1 cases which represents 1% of their total caseload.

Law Firm Affiliations

Peter Koy has been affiliated with 3 law firms. The most active affiliation involves 10 cases.

Law Firm	Cases Handled	Workload Share	Recent Cases
Attorney-General’s Chambers	10 cases	53% of cases	Dao Thi Boi v Public Prosecutor: Endangered Species Act & Import Offenses(Nov 2024) Public Prosecutor v Loh Cheok San: Abetment by Conspiracy and Cheating(Jul 2023) Public Prosecutor v Soh Chee Wen: Litigation Privilege in Criminal Proceedings(Sep 2019)
Deputy Public Prosecutor	5 cases	26% of cases	Abu Syeed Chowdhury v Public Prosecutor: Immigration Offenses & False Statements for Employment Pass(Jan 2002) Rajasekaran v PP: Rioting Conviction Appeal - Unlawful Assembly & Identification Evidence(Sep 2001) Mohamad Noor Bin Abdullah v Public Prosecutor: Trafficking, Defence of Personal Consumption(Sep 2001)
Deputy Public Prosecutors	4 cases	21% of cases	PP v Kamrul Hasan Abdul Quddus: Murder Conviction at Viz@Holland Construction Site(Jan 2010) Public Prosecutor v Yong Vui Kong: Drug Trafficking under the Misuse of Drugs Act(Jan 2009) Amran Bin Eusuff v PP: Drug Trafficking, Entrapment, & Admissibility of Confessions(Mar 2002)

Case Complexity Analysis

Analysis of Peter Koy's case complexity based on the number of parties involved and case characteristics.

Complexity Overview

Average Parties per Case: 2.5
Complex Cases: 4 (21%); Cases with more than 3 parties

Complexity by Case Type

Type	Cases	Avg Parties	Distribution
Lost	14.0 parties avg	4.0	5%
Neutral	13.0 parties avg	3.0	5%
Partial	33.3 parties avg	3.3	16%
Won	142.2 parties avg	2.2	74%

Complexity Trends Over Time

Year	Cases	Average Parties
2000	14.0 parties avg	4.0
2001	42.5 parties avg	2.5
2002	22.5 parties avg	2.5
2007	12.0 parties avg	2.0
2009	22.0 parties avg	2.0
2010	12.0 parties avg	2.0
2011	12.0 parties avg	2.0
2012	14.0 parties avg	4.0
2013	12.0 parties avg	2.0
2014	12.0 parties avg	2.0
2019	23.5 parties avg	3.5
2023	12.0 parties avg	2.0
2024	12.0 parties avg	2.0

Case Outcome Analytics

Analysis of Peter Koy's case outcomes, including distribution by type, yearly trends, and monetary outcomes where applicable.

Outcome Distribution

Outcome Type	Cases	Percentage
Lost	1(5%)	5%
Neutral	1(5%)	5%
Partial	3(16%)	16%
Won	14(74%)	74%

Yearly Outcome Trends

Year	Total Cases	Outcome Distribution
2000	1 1	Won: 1 cases (100.0%)
2001	4 13	Partial: 1 cases (25.0%) Won: 3 cases (75.0%)
2002	2 2	Won: 2 cases (100.0%)
2007	1 1	Won: 1 cases (100.0%)
2009	2 2	Won: 2 cases (100.0%)
2010	1 1	Won: 1 cases (100.0%)
2011	1 1	Won: 1 cases (100.0%)
2012	1 1	Partial: 1 cases (100.0%)
2013	1 1	Won: 1 cases (100.0%)
2014	1 1	Won: 1 cases (100.0%)
2019	2 11	Lost: 1 cases (50.0%) Neutral: 1 cases (50.0%)
2023	1 1	Partial: 1 cases (100.0%)
2024	1 1	Won: 1 cases (100.0%)

Case History

Displaying all 19 cases

No.	Case	Decision Date	Party & Outcome
1	Dao Thi Boi v Public Prosecutor: Endangered Species Act & Import Offenses 07 Nov 2024 Public Prosecutor (Respondent)Won	07 Nov 2024	Public Prosecutor (Respondent): Appeal DismissedThe appeal against conviction and sentence was dismissed.
2	Public Prosecutor v Loh Cheok San: Abetment by Conspiracy and Cheating 12 Jul 2023 Public Prosecutor (Appellant)Partial	12 Jul 2023	Public Prosecutor (Appellant): Appeal Allowed in PartThe appeal was allowed in part, with the sentence enhanced to 80 months.
3	Public Prosecutor v Soh Chee Wen: Litigation Privilege in Criminal Proceedings 29 Sep 2019 Public Prosecutor (Prosecution)Neutral	29 Sep 2019	Public Prosecutor (Prosecution): Ruling ClarifiedThe court clarified the scope of litigation privilege for the prosecution and the approach to cross-examination.
4	Lee Chen Seong Jeremy v Public Prosecutor: Revision of Seizure Order under Criminal Procedure Code 28 Feb 2019 Public Prosecutor (Respondent)Lost	28 Feb 2019	Public Prosecutor (Respondent): Appeal DismissedAppeal dismissed; the order for continued seizure of property was overturned.
5	Soh Guan Cheow Anthony v Public Prosecutor: Interpretation of Criminal Procedure Code on Referral of Questions of Law 18 Nov 2014 Public Prosecutor (Respondent)Won	18 Nov 2014	Public Prosecutor (Respondent): Preliminary Objection UpheldThe Public Prosecutor's preliminary objection was upheld, preventing the trial judge from referring questions of law to the High Court during the trial.
6	Mustafa Ahunbay v Public Prosecutor: Criminal Revision for Seized Accounts 26 Sep 2013 Public Prosecutor (Respondent)Won	26 Sep 2013	Public Prosecutor (Respondent): Application for criminal revision dismissedThe Public Prosecutor successfully defended the order made by DJ Sarah Tan, as the application for criminal revision was dismissed.
7	Madhavan Peter v PP: Directors' Duties, Disclosure, & Insider Trading 26 Jul 2012 Public Prosecutor (Respondent)Partial	26 Jul 2012	Public Prosecutor (Respondent): Appeal Dismissed in PartAppeal dismissed in part regarding the insider trading conviction of Chong Keng Ban.
8	Ong Chow Hong v PP: Director Disqualification for Failure to Exercise Diligence 12 Apr 2011 Public Prosecutor (Respondent, Appellant)Won	12 Apr 2011	Public Prosecutor (Respondent, Appellant): Appeal AllowedThe Prosecution's appeal to increase the disqualification period was allowed.
9	PP v Kamrul Hasan Abdul Quddus: Murder Conviction at Viz@Holland Construction Site 07 Jan 2010 Public Prosecutor (Prosecution)Won	07 Jan 2010	Public Prosecutor (Prosecution): Judgment for ProsecutionThe prosecution proved its case against the accused beyond reasonable doubt.
10	PP v Kwek Seow Hock: Drug Trafficking - Misuse of Drugs Act & Presumption of Trafficking 10 Sep 2009 Public Prosecutor (Prosecution)Won	10 Sep 2009	Public Prosecutor (Prosecution): Judgment for ProsecutionThe Prosecution proved its case beyond a reasonable doubt that the accused had in his possession not less than 25.91grams of diamorphine for the purpose of trafficking.
11	Public Prosecutor v Yong Vui Kong: Drug Trafficking under the Misuse of Drugs Act 06 Jan 2009 Public Prosecutor (Prosecution)Won	06 Jan 2009	Public Prosecutor (Prosecution): Judgment for ProsecutionAccused found guilty as charged.
12	Public Prosecutor v UI: Sentencing for Rape of a Minor by Father; Mitigating Factors of Forgiveness 27 Aug 2007 Public Prosecutor (Prosecution)Won	27 Aug 2007	Public Prosecutor (Prosecution): Judgment for ProsecutionThe accused was sentenced to 16 years imprisonment.
13	Amran Bin Eusuff v PP: Drug Trafficking, Entrapment, & Admissibility of Confessions 31 Mar 2002 Public Prosecutor (Respondent)Won	31 Mar 2002	Public Prosecutor (Respondent): Judgment UpheldConviction and sentence upheld.
14	Abu Syeed Chowdhury v Public Prosecutor: Immigration Offenses & False Statements for Employment Pass 27 Jan 2002 Public Prosecutor (Respondent)Won	27 Jan 2002	Public Prosecutor (Respondent): Appeal DismissedThe appeal was dismissed, and the sentences were enhanced.
15	Rajasekaran v PP: Rioting Conviction Appeal - Unlawful Assembly & Identification Evidence 20 Sep 2001 Public Prosecutor (Respondent)Won	20 Sep 2001	Public Prosecutor (Respondent): Conviction UpheldThe Public Prosecutor successfully defended the appeal against the appellant's conviction.
16	Mohamad Noor Bin Abdullah v Public Prosecutor: Trafficking, Defence of Personal Consumption 10 Sep 2001 Public Prosecutor (Respondent)Won	10 Sep 2001	Public Prosecutor (Respondent): Appeal DismissedThe appeal against the conviction for drug trafficking was dismissed.
17	Muhammad Afzal Khan v Public Prosecutor: Drug Trafficking Conspiracy 18 Jun 2001 Public Prosecutor (Respondent)Won	18 Jun 2001	Public Prosecutor (Respondent): Conviction and sentence upheldThe Court of Appeal upheld the conviction and sentence imposed by the High Court.
18	PP v Muhammad Ali Hashim: Trafficking Diamorphine - Misuse of Drugs Act 20 Apr 2001 Public Prosecutor (Prosecution)Partial	20 Apr 2001	Public Prosecutor (Prosecution): PartialConviction of the first and second accused, but acquittal of the third accused.
19	Loganatha Venkatesan v PP: Conspiracy to Commit Murder & Admissibility of Police Statements 14 Aug 2000 Public Prosecutor (Respondent)Won	14 Aug 2000	Public Prosecutor (Respondent): Appeal DismissedThe Public Prosecutor successfully defended the convictions on appeal.