Sia Jiazheng

Sia Jiazheng is a legal practitioner in Singapore. With documented cases from 2015 to 2021. The lawyer has handled 8 cases in Singapore's courts. Associated with 2 law firms. The lawyer demonstrates particular expertise in criminal law and misuse of drugs act. Their track record shows a 88.0% success rate in resolved cases.

Areas of Practice and Expertise

Sia Jiazheng has demonstrated expertise across 18 primary practice areas, with significant experience in criminal law and misuse of drugs act.

Practice Area	Case Volume	Distribution	Expertise Level	Description
Criminal Law	8 cases	17% of total caseload	Highly Specialized89% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 8 cases which represents 17% of their total caseload.
Misuse of Drugs Act	6 cases	13% of total caseload	Highly Specialized97% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 6 cases which represents 13% of their total caseload.
Criminal Procedure	6 cases	13% of total caseload	Experienced73% relevance score	Sia Jiazheng has demonstrated substantial experience and regular engagementin this area, handling 6 cases which represents 13% of their total caseload.
Sentencing	5 cases	11% of total caseload	Highly Specialized76% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 5 cases which represents 11% of their total caseload.
Evidence	4 cases	9% of total caseload	Experienced60% relevance score	Sia Jiazheng has demonstrated substantial experience and regular engagementin this area, handling 4 cases which represents 9% of their total caseload.
Appeal	2 cases	4% of total caseload	Experienced70% relevance score	Sia Jiazheng has demonstrated substantial experience and regular engagementin this area, handling 2 cases which represents 4% of their total caseload.
Theft	2 cases	4% of total caseload	General Practice45% relevance score	Sia Jiazheng has demonstrated general practice experiencein this area, handling 2 cases which represents 4% of their total caseload.
Statutory Interpretation	2 cases	4% of total caseload	Experienced60% relevance score	Sia Jiazheng has demonstrated substantial experience and regular engagementin this area, handling 2 cases which represents 4% of their total caseload.
Offences	2 cases	4% of total caseload	Highly Specialized78% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 2 cases which represents 4% of their total caseload.
Voluntary Intoxication	1 cases	2% of total caseload	General Practice40% relevance score	Sia Jiazheng has demonstrated general practice experiencein this area, handling 1 cases which represents 2% of their total caseload.
Evidence Law	1 cases	2% of total caseload	General Practice40% relevance score	Sia Jiazheng has demonstrated general practice experiencein this area, handling 1 cases which represents 2% of their total caseload.
Statutory offences	1 cases	2% of total caseload	Highly Specialized80% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 2% of their total caseload.
Admissibility of evidence	1 cases	2% of total caseload	Experienced50% relevance score	Sia Jiazheng has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 2% of their total caseload.
Road Traffic Act	1 cases	2% of total caseload	Experienced70% relevance score	Sia Jiazheng has demonstrated substantial experience and regular engagementin this area, handling 1 cases which represents 2% of their total caseload.
Murder	1 cases	2% of total caseload	Highly Specialized99% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 2% of their total caseload.
Penal Code	1 cases	2% of total caseload	Highly Specialized95% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 2% of their total caseload.
Importation of Drugs	1 cases	2% of total caseload	Highly Specialized95% relevance score	Sia Jiazheng has demonstrated deep specialization and significant involvement in complex mattersin this area, handling 1 cases which represents 2% of their total caseload.
Automobile Accidents	1 cases	2% of total caseload	General Practice30% relevance score	Sia Jiazheng has demonstrated general practice experiencein this area, handling 1 cases which represents 2% of their total caseload.

Law Firm Affiliations

Sia Jiazheng has been affiliated with 2 law firms. The most active affiliation involves 7 cases.

Law Firm	Cases Handled	Workload Share	Recent Cases
Attorney-General’s Chambers	7 cases	88% of cases	PP v Dzulkarnain: Trafficking in Cannabis under Misuse of Drugs Act(Feb 2021) PP v Sinniah: Importation of Diamorphine under the Misuse of Drugs Act(Mar 2019) PP v Muhammad Faizal: Trafficking of Cannabis under the Misuse of Drugs Act(Jan 2019)
Attorney-General’s Chamber	1 cases	13% of cases	D Rashpal Singh Sidhu v Public Prosecutor: Appeal Against Conviction Under Misuse of Drugs Act(Feb 2019)

Case Complexity Analysis

Analysis of Sia Jiazheng's case complexity based on the number of parties involved and case characteristics.

Complexity Overview

Average Parties per Case: 2.4
Complex Cases: 0 (0%); Cases with more than 3 parties

Complexity by Case Type

Type	Cases	Avg Parties	Distribution
Lost	12.0 parties avg	2.0	13%
Won	72.4 parties avg	2.4	88%

Complexity Trends Over Time

Year	Cases	Average Parties
2015	12.0 parties avg	2.0
2018	32.7 parties avg	2.7
2019	32.0 parties avg	2.0
2021	13.0 parties avg	3.0

Case Outcome Analytics

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

Outcome Distribution

Outcome Type	Cases	Percentage
Lost	1(13%)	13%
Won	7(88%)	88%

Yearly Outcome Trends

Year	Total Cases	Outcome Distribution
2015	1 1	Won: 1 cases (100.0%)
2018	3 3	Won: 3 cases (100.0%)
2019	3 12	Lost: 1 cases (33.3%) Won: 2 cases (66.7%)
2021	1 1	Won: 1 cases (100.0%)

Case History

Displaying all 8 cases

No.	Case	Decision Date	Party & Outcome
1	PP v Dzulkarnain: Trafficking in Cannabis under Misuse of Drugs Act 24 Feb 2021 Public Prosecutor (Prosecution)Won	24 Feb 2021	Public Prosecutor (Prosecution): Judgment for ProsecutionAccused persons were found guilty of the respective charges.
2	PP v Sinniah: Importation of Diamorphine under the Misuse of Drugs Act 19 Mar 2019 Public Prosecutor (Prosecution)Won	19 Mar 2019	Public Prosecutor (Prosecution): Judgment for ProsecutionAccused was convicted of the charge.
3	D Rashpal Singh Sidhu v Public Prosecutor: Appeal Against Conviction Under Misuse of Drugs Act 06 Feb 2019 Public Prosecutor (Respondent)Lost	06 Feb 2019	Public Prosecutor (Respondent): Appeal DismissedThe appeal was allowed and the conviction was overturned.
4	PP v Muhammad Faizal: Trafficking of Cannabis under the Misuse of Drugs Act 27 Jan 2019 Public Prosecutor (Prosecution)Won	27 Jan 2019	Public Prosecutor (Prosecution): ConvictionThe Prosecution successfully convicted the accused.
5	PP v Paner Selvom: Drug Trafficking under the Misuse of Drugs Act 18 Mar 2018 Public Prosecutor (Prosecution)Won	18 Mar 2018	Public Prosecutor (Prosecution): Judgment for ProsecutionThe Public Prosecutor won the case against both accused.
6	Public Prosecutor v Lim Chee Yin Jordon: Appeal Against Probation Order for Theft and Rash Driving 28 Feb 2018 Public Prosecutor (Appellant)Won	28 Feb 2018	Public Prosecutor (Appellant): Appeal AllowedThe Prosecution's appeal against the probation order was allowed.
7	Zainudin bin Mohamed v Public Prosecutor: Drug Trafficking, Courier Exception, and Misuse of Drugs Act 11 Feb 2018 Public Prosecutor (Respondent)Won	11 Feb 2018	Public Prosecutor (Respondent): Judgment UpheldThe High Court’s decision to pass the sentence of death on the Appellant was upheld.
8	PP v Iskandar bin Rahmat: Murder Conviction for Double Homicide at Hillside Drive 03 Dec 2015 Public Prosecutor (Prosecution)Won	03 Dec 2015	Public Prosecutor (Prosecution): Guilty verdict on both chargesThe accused was found guilty on both charges of murder under section 300(a) of the Penal Code.