FRANK LEE v INSTITUTE OF MENTAL HEALTH & 9 Ors

[2026] SGHC 111 High Court (General Division) 21 May 2026 • HC/OC 324/2026 ( HC/RA 104/2026,HC/SUM 1438/2026,HC/SUM 1494/2026,HC/SUM 1551/2026,HC/SUM 1144/2026,HC/SUM 1477/2026 ) • 39 min read
3 cases cited

Catchwords

Civil Procedure — Striking out Civil Procedure — Abuse of process Statutory Interpretation — Statutes — Mental Health (Care and Treatment) Act 2008

Practice Areas

Civil Procedure Statutory Interpretation

Judges (1)

Andre Maniam Delivered

Counsel (9)

Attorney-General's Chambers (Civil Division) Firm Legal Clinic LLC Firm Bharat S Punjabi Counsel Defendant Dierdre Grace Morgan Counsel Defendant Gan Yingtian Andrea Counsel Defendant Kuah Boon Theng Counsel Defendant Kwok Chong Xin Dominic Counsel Defendant Patricia Tan Seok Kee Counsel Defendant Vincent Leow Counsel Defendant

Parties (11)

Attorney-General's Chambers Defendant Institute of Mental Health Defendant Ministry of Health Defendant Charmaine Li Defendant Frank Lee Plaintiff Laura Chan Defendant Lawrence Shyun Tsai Wong Defendant Lucien Wong Defendant Lynette Teo Defendant Phyllis Jing Yi Ngor Defendant Ye Kung Ong Defendant

Case Significance

Frank Lee v Institute of Mental Health and others [2026] SGHC 111 is an ex-tempore High Court General Division decision delivered by Andre Maniam J on 21 May 2026 in which the claims of Frank Lee — who was dissatisfied with three involuntary detentions and treatments at the Institute of Mental Health — were struck out. Lee's originating claim (OC 324 of 2026) named ten defendants including the IMH, the Ministry of Health, the Attorney-General's Chambers, the Prime Minister, the Minister for Health, and the Attorney-General, though he later withdrew against the AGC. The judgment addressed striking out, abuse of process, and the interpretation of the Mental Health (Care and Treatment) Act 2008, referencing six statutes including the Evidence Act, Government Proceedings Act, and Penal Code. The IMH was represented by Legal Clinic LLC and the Government Defendants by the AGC (Civil Division).

Summary

Frank Lee, a self-represented claimant, sued the Institute of Mental Health, the Ministry of Health, the Attorney-General's Chambers, the Prime Minister, the Minister for Health, and four individuals, challenging his three detentions and treatments at IMH under the Mental Health (Care and Treatment) Act 2008. IMH and the Government Defendants applied to strike out the claim, while the claimant filed multiple applications including injunctions and contempt proceedings against IMH's lawyers. The court struck out the statement of claim and dismissed the action as disclosing no reasonable cause of action and constituting an abuse of process, ordering the claimant to pay IMH costs of S$47,000 and the Government Defendants S$27,000.

What happened to Frank Lee's High Court claim against the Institute of Mental Health in 2026?

Andre Maniam J struck out Frank Lee's originating claim (OC 324 of 2026) on 21 May 2026 on grounds of abuse of process. Lee had sued ten defendants including the IMH, Ministry of Health, Prime Minister, and Attorney-General, challenging three involuntary detentions under the Mental Health (Care and Treatment) Act 2008.

Statutes Cited

Evidence Act (Cap 97)
Government Proceedings Act (Cap 121)
Mental Capacity Act (Cap 177A)
Misuse of Drugs Act (Cap 185)
Penal Code (Cap 224)
Police Force Act
s 2

Cases Cited (3)

SG (2)
[2022] SGCA 75 [2023] SGHC 126
SLR (1)
[2006] 1 SLR(R) 112

Judgment

Read the full judgment on the official Singapore Courts portal.

Read on eLitigation

Source: eLitigation ([2026] SGHC 111)