Billy Sun
Partner
Email：billy.sun@pontislaw.com
Language：Mandarin Chinese, English, Taiwanese
Language：Mandarin Chinese, English, Taiwanese
Email：billy.sun@pontislaw.com
Billy Sun is a founding partner at Pontis Law. With his dual expertise in law and civil engineering, Mr. Sun has extensive experience in handling litigation and non-litigation cases. Mr. Sun’s practice spans a wide range of fields, including corporate and capital markets, the energy sector, government procurement, real estate development, and family wealth succession. He is adept at formulating comprehensive legal strategies tailored to complex commercial scenarios. Mr. Sun is regularly retained by government agencies, publicly listed companies, and leading domestic and international corporations, earning widespread recognition for consistently delivering outstanding results. He has led numerous landmark and high-profile cases that have drawn significant public attention, and offers deep insight into regulatory trends, industry evolution, and market practices. In recent years, Mr. Sun has also been actively engaged in the dissemination of legal knowledge—frequently invited to deliver keynote speeches and contribute articles—sharing his practical experience and legal perspectives with industry leaders and broader audiences, demonstrating both professional depth and sector influence.
- Preferred areas of practice
Corporate and Securities, Investment and Finance, Banking and Insurance, Cultural and Creative Industry, Administrative Remedies, Energy and Environmental Law, Family Heritage Plan, Intellectual Property, Employment and Labor, Government Procurement, Real Estate Development and Urban Renewal, Public-Private Partnerships (PPP), Construction Law
- Professional Qualifications
Managing Partner, Pontis Law
R.O.C. Licensed Patent Agent
Arbitrator, Chinese Arbitration Association (Taipei, Taiwan)
Adjunct Lecturer, Department of Civil Engineering, Tamkang University (Taipei, Taiwan)
- Education
LL.M., Soochow University
B.A., Department of Civil Engineering, National Taiwan University
- Professional Associations & Memberships
Chairperson, Construction Law Committee, Taipei Bar Association
Mediator, Appeals Review Board of New Taipei City Government's Department of Economic Affairs
Supervisor, Taiwan Institute of Build Environment Lifecycle Management
Director, Taiwan Society of Construction Law
Supervisor, National Council for Promotion of Private Participation in Infrastructure
Mediator, Taiwan New Taipei District Court
Mediator, Taiwan Taoyuan District Court
Advisor (Specializing in Construction), Taiwan Taoyuan District Court
Member, Labor Dispute Arbitration Committee, Yilan County Government
Member, Laws and Regulations Review Committee, Yilan County Government
Member, Legal and Covenants Committee, Chinese Taipei Tunnelling Association
Member, Young Engineer Committee, Chinese Institute of Civil and Hydraulic Engineering
Member, Local Branch Qualification Review Committee, Legal Aid Foundation
- Publications and Talks
Chairperson, Construction Law Committee, Taipei Bar Association
Mediator, Appeals Review Board of New Taipei City Government's Department of Economic Affairs
Supervisor, Taiwan Institute of Build Environment Lifecycle Management
Director, Taiwan Society of Construction Law
Supervisor, National Council for Promotion of Private Participation in Infrastructure
Mediator, Taiwan New Taipei District Court
Mediator, Taiwan Taoyuan District Court
Advisor (Specializing in Construction), Taiwan Taoyuan District Court
Member, Labor Dispute Arbitration Committee, Yilan County Government
Member, Laws and Regulations Review Committee, Yilan County Government
Member, Legal and Covenants Committee, Chinese Taipei Tunnelling Association
Member, Young Engineer Committee, Chinese Institute of Civil and Hydraulic Engineering
Member, Local Branch Qualification Review Committee, Legal Aid Foundation
- Publications and Talks
Co-author, November 2024, “An Introduction to the Crime of Bid Rigging under the Government Procurement Act”, Angle Lawyer Empowerment, Issue No. 32
Co-author, October 2024, “Overview of Criminal Liability Related to Corruption and Malfeasance Offenses”, Civil and Hydraulic Engineering, Volume 51, Issue 5
Speaker, May 2024, “Disputes and Case Studies on Court Rulings Regarding Construction Insurance”, Engineering Insurance Association
Lecturer, March 2024, “Key Provisions of Solicitation Documents and Investment Contracts in PPP Projects”, Department of Continuing and Extension Education, Tamkang University
Lecturer, December 2023, “Overview of Construction Laws and Regulations”, Department of Civil Engineering, Hong-Kuo Institute of Technology
Lecturer, November 2023, “Key Provisions of Solicitation Documents and Investment Contracts in PPP Projects”, Department of Continuing and Extension Education, Tamkang University
Lecturer, August 2023, “Practical Overview of Contract Performance Management and Dispute Resolution”, Department of Continuing and Extension Education, Tamkang University
Speaker, May 2023, “Roles and Responsibilities of Design Supervision Units and Project Management Consultants”, Taiwan Technical Consultants Association
Speaker, September 2022, “Legal Literacy for Project Managers”, PCM Autumn Forum
Speaker, December 2022, “Key Considerations in the Termination of Construction Contracts” , Taipei Bar Association
Author, June 2022, “Lease Agreements and the Principle of Change of Circumstances Amid the COVID-19 Pandemic,” Angle Lawyer Empowerment, Issue No. 3
Lecturer, December 2021, “Overview of Construction Laws and Regulations”, Department of Civil Engineering, Hong-Kuo Institute of Technology
Speaker, October 2021, “Renewal of Investment Contracts in PPP Projects”, Taiwan arbitration week 2021
Speaker (Video), April 2021, “How to tackle non-performance of construction contract by a firm due to capital shortage” (Angle Publishing Co. Ltd.)
Speaker, December 2020, “An introduction to BOO (Build-Own-Operate)”, Tourism and Travel Bureau, New Taipei City Government
Lecturer, December 2020, “How to resolve PPP-related disputes via arbitration”, Tourism and Travel Bureau, Nantou County Government
Lecturer, December 2019, “Common Performance Disputes During the Operation Phase of PPP Projects”, Department of Tourism, Nantou County Government
Lecturer, May 2019, “Case Studies on Construction Law and Anti-corruption Risk”, Construction and Planning Agency, Ministry of the Interior
Lecturer, November 2018, “Schedule and Cost Calculation for Construction Contract Dispute Claims”, In-house Training for Listed Companies
Lecturer, October 2018, “Personal Data Protection Act – Legal Framework and Practical Application”, In-house Training for Listed Companies
Lecturer, September 2018, “Key Provisions and Performance Considerations in Government Procurement Contracts”, In-house Training for Listed Companies
Speaker, November 2017, “The Legal Disputes and Resolution about Jewellery Sale”, the Taiwan Jewelry Arts Institute
Speaker, September 2017, “The Legal Risks in Jewellery Business”, the Taiwan Jewelry Arts Institute
Lecturer, September 2017, “2017 Professional Training Program on Promotion of Private Participation (PPP)”, Keelung City Government
Lecturer, June 2017, “Analysis of Common Criminal Scenarios in Public Construction Projects”, Taiwan Construction Research Institute
Lecturer, April 2017, “Key Provisions and Handling Principles of Design-Build Contracts”, Research Development Center of Construction Law
Lecturer, September 2017, “PPP Professional Training”, Keelung City Government
Speaker, November 2016, “The Major Legal Issues Concerning Architect Contract”, Taipei Architects Association
Speaker, April 2016, “Yacht: Laws, Regulations and the Industry”, Graduate Institute of Law and Interdisciplinary Studies, National Chengchi University
Speaker, March 2016, “The Role of Expert Testimony in Construction Lawsuits”, Taipei Mechanical Engineer Association
Speaker, November 2015, “The Major Legal Issues Concerning Real Estate Sale”, Taoyuan Branch, Legal Aid Foundation
Speaker, August 2015, “An Introduction to BIM Contracts”, Taoyuan City Government
Speaker, July 2015, “The Analysis on Judicial Decisions Concerning Engineering Insurance”, Engineering Insurance Association
Speaker, June 2015, “The Analysis on Revision of BOT Agreement Due to Force Majeure”, Chinese Institute of Engineers
Speaker, May 2015, “Project Management: Focusing on PPP-related Construction Law”, Chinese Institute of Engineers
Co-author, January 2015, “The Must-knows About Professional Liability Insurance”, Construction News Record 384
Speaker, October 2014, “Proposed BIM Contract and BIM Scope of Work,” 2014 BIM Contract Seminar
Speaker, June 2014, “The Taiwan Judicial Decisions Concerning Construction and Engineering”, Cross-strait Forum for Economics and Finance Legal Practices
Lecturer, April 2014, “Real Estate Investment Laws and Practices,” In-House Training for a Renowned Life Insurance Company
Speaker, April 2014, “An Introduction to PPP Laws and Regulations”, Taoyuan County Government
Lecturer, March 2014, “Common Performance Disputes Faced by Technical Service Providers,” In-House Training for a Renowned Architectural Firm
Speaker, December 2013, “The PFI Regulations in Taiwan”, The National Council for Promotion of Private Participation in Infrastructure Investments of the Republic of China (NCPPP－ROC)
Speaker, April 2013, “Copyright Issues in Architectural Design and BIM,” 2013 BIM Contract Seminar – Taichung Session
Speaker, December 2012, “Copyright Issues in Architectural Design and BIM”, 2012 BIM Contract Seminar – Taipei Session
Lecturer, October 2012, “Key Considerations in Drafting Solicitation Documents”, New Taipei City Government
Lecturer, April 2012, “Common Disputes in Contract Performance and Key Considerations for Claims” Kaohsiung Civil and Structural Engineers Association
Speaker, December 2011, “Case Studies on Major Disputes Concerning Claims of Engineering Insurance”, Conference for Risk Prevention of Engineering Insurance
Lecturer, November 2011, “Common Disputes in Construction Project Contracts,” In-house Training for a Leading Development Company
Co-author, October 2011, A Study of Construction Laws in Practice 6, (Angle Publishing Co. Ltd.)
Lecturer, September 2011, “Theories and Practices of Arbitration”, Training Program for Trainee Lawyer, Taiwan Bar Association
Co-author, February 2011, A Study of Construction laws in Practice, (Peking University Press)
Speaker, February 2011, “A Review of Unfair Contract Terms,”Taiwan Construction Management Association (TCMA)
Lecturer, December 2010, “Common Disputes in Construction Contracts,” In-house Training for a Leading Construction Company
Speaker, October 2009, “Common Legal Disputes in Construction from the Perspective of Court Decisions,” Chiayi Bar Association
Speaker, June 2009, “Judicial Analysis of Construction Insurance Practices”, Graduate Institute of Law and Interdisciplinary Studies, NCCU
Lecturer, April 2009, “Disputes and Burden of Proof in Construction Change Orders,” In-house Training for Listed Companies
Co-author, July 2009, “100 Q&A about BOT, OT projects”, Angle Publishing Co. Ltd.
Author, June 2009, “Contractual Liability of Construction Design”, The Magazine of The Chinese Institute of Civil and Hydraulic Engineering, 36(3).
Co-author, February 2008, “An Urgent Exploration of DRB Legal Framework in Taiwan,” Construction News Record, Issue No. 301
Co-author, February 2008, “Mitigating Construction Disputes Through Forensic Engineering,” Construction News Record, Issue No. 301
Co-author, July 2007, “Forensic Engineering Emerging as a Tool for Dispute Resolution,” Construction News Record, Issue No. 294 (Co-authored)
Author, May 2007, “Application of Value Engineering in Design-Build Contracts,” Construction News Record, Issue No. 292
Billy Sun_Partner
Billy Sun is a founding partner at Pontis Law. With his dual expertise in law and civil engineering, Mr. Sun has extensive experience in handling litigation and non-litigation cases. Mr. Sun’s practice spans a wide range of fields, including corporate and capital markets, the energy sector, government procurement, real estate development, and family wealth succession. He is adept at formulating comprehensive legal strategies tailored to complex commercial scenarios. Mr. Sun is regularly retained by government agencies, publicly listed companies, and leading domestic and international corporations, earning widespread recognition for consistently delivering outstanding results. He has led numerous landmark and high-profile cases that have drawn significant public attention, and offers deep insight into regulatory trends, industry evolution, and market practices. In recent years, Mr. Sun has also been actively engaged in the dissemination of legal knowledge—frequently invited to deliver keynote speeches and contribute articles—sharing his practical experience and legal perspectives with industry leaders and broader audiences, demonstrating both professional depth and sector influence.
- Preferred areas of practice
Corporate and Securities, Investment and Finance, Banking and Insurance, Cultural and Creative Industry, Administrative Remedies, Energy and Environmental Law, Family Heritage Plan, Intellectual Property, Employment and Labor, Government Procurement, Real Estate Development and Urban Renewal, Public-Private Partnerships (PPP), Construction Law
- Professional Qualifications
Managing Partner, Pontis Law
R.O.C. Licensed Patent Agent
Arbitrator, Chinese Arbitration Association (Taipei, Taiwan)
Adjunct Lecturer, Department of Civil Engineering, Tamkang University (Taipei, Taiwan)
- Education
LL.M., Soochow University
B.A., Department of Civil Engineering, National Taiwan University
- Publications and Talks
Chairperson, Construction Law Committee, Taipei Bar Association
Mediator, Appeals Review Board of New Taipei City Government's Department of Economic Affairs
Supervisor, Taiwan Institute of Build Environment Lifecycle Management
Director, Taiwan Society of Construction Law
Supervisor, National Council for Promotion of Private Participation in Infrastructure
Mediator, Taiwan New Taipei District Court
Mediator, Taiwan Taoyuan District Court
Advisor (Specializing in Construction), Taiwan Taoyuan District Court
Member, Labor Dispute Arbitration Committee, Yilan County Government
Member, Laws and Regulations Review Committee, Yilan County Government
Member, Legal and Covenants Committee, Chinese Taipei Tunnelling Association
Member, Young Engineer Committee, Chinese Institute of Civil and Hydraulic Engineering
Member, Local Branch Qualification Review Committee, Legal Aid Foundation
- Publications and Talks
Co-author, November 2024, “An Introduction to the Crime of Bid Rigging under the Government Procurement Act”, Angle Lawyer Empowerment, Issue No. 32
Co-author, October 2024, “Overview of Criminal Liability Related to Corruption and Malfeasance Offenses”, Civil and Hydraulic Engineering, Volume 51, Issue 5
Speaker, May 2024, “Disputes and Case Studies on Court Rulings Regarding Construction Insurance”, Engineering Insurance Association
Lecturer, March 2024, “Key Provisions of Solicitation Documents and Investment Contracts in PPP Projects”, Department of Continuing and Extension Education, Tamkang University
Lecturer, December 2023, “Overview of Construction Laws and Regulations”, Department of Civil Engineering, Hong-Kuo Institute of Technology
Lecturer, November 2023, “Key Provisions of Solicitation Documents and Investment Contracts in PPP Projects”, Department of Continuing and Extension Education, Tamkang University
Lecturer, August 2023, “Practical Overview of Contract Performance Management and Dispute Resolution”, Department of Continuing and Extension Education, Tamkang University
Speaker, May 2023, “Roles and Responsibilities of Design Supervision Units and Project Management Consultants”, Taiwan Technical Consultants Association
Speaker, September 2022, “Legal Literacy for Project Managers”, PCM Autumn Forum
Speaker, December 2022, “Key Considerations in the Termination of Construction Contracts” , Taipei Bar Association
Author, June 2022, “Lease Agreements and the Principle of Change of Circumstances Amid the COVID-19 Pandemic,” Angle Lawyer Empowerment, Issue No. 3
Lecturer, December 2021, “Overview of Construction Laws and Regulations”, Department of Civil Engineering, Hong-Kuo Institute of Technology
Speaker, October 2021, “Renewal of Investment Contracts in PPP Projects”, Taiwan arbitration week 2021
Speaker (Video), April 2021, “How to tackle non-performance of construction contract by a firm due to capital shortage” (Angle Publishing Co. Ltd.)
Speaker, December 2020, “An introduction to BOO (Build-Own-Operate)”, Tourism and Travel Bureau, New Taipei City Government
Lecturer, December 2020, “How to resolve PPP-related disputes via arbitration”, Tourism and Travel Bureau, Nantou County Government
Lecturer, December 2019, “Common Performance Disputes During the Operation Phase of PPP Projects”, Department of Tourism, Nantou County Government
Lecturer, May 2019, “Case Studies on Construction Law and Anti-corruption Risk”, Construction and Planning Agency, Ministry of the Interior
Lecturer, November 2018, “Schedule and Cost Calculation for Construction Contract Dispute Claims”, In-house Training for Listed Companies
Lecturer, October 2018, “Personal Data Protection Act – Legal Framework and Practical Application”, In-house Training for Listed Companies
Lecturer, September 2018, “Key Provisions and Performance Considerations in Government Procurement Contracts”, In-house Training for Listed Companies
Speaker, November 2017, “The Legal Disputes and Resolution about Jewellery Sale”, the Taiwan Jewelry Arts Institute
Speaker, September 2017, “The Legal Risks in Jewellery Business”, the Taiwan Jewelry Arts Institute
Lecturer, September 2017, “2017 Professional Training Program on Promotion of Private Participation (PPP)”, Keelung City Government
Lecturer, June 2017, “Analysis of Common Criminal Scenarios in Public Construction Projects”, Taiwan Construction Research Institute
Lecturer, April 2017, “Key Provisions and Handling Principles of Design-Build Contracts”, Research Development Center of Construction Law
Lecturer, September 2017, “PPP Professional Training”, Keelung City Government