Scope Of Closing Submissions
Scope of Closing Submissions in Arbitration
Closing submissions represent the final opportunity for parties in arbitration to summarize evidence, clarify legal arguments, and persuade the tribunal before the award is rendered. Their scope is broad but not unlimited, and tribunals exercise control to ensure fairness, procedural efficiency, and due process.
1. Purpose and Nature of Closing Submissions
Closing submissions (oral or written) are meant to:
Consolidate factual and legal arguments
Highlight key evidence and witness testimony
Address weaknesses in the opposing party’s case
Assist the tribunal in understanding complex issues
They are not a stage for introducing entirely new claims or evidence, unless expressly permitted.
2. Permissible Scope
(a) Summarization of Evidence
Parties may:
Revisit documentary evidence
Emphasize witness credibility
Correlate facts with legal standards
(b) Legal Argumentation
Interpret contractual clauses
Apply relevant statutory provisions
Cite precedents and arbitral principles
(c) Rebuttal of Opponent’s Case
Identify inconsistencies
Challenge evidentiary weight
Address counterarguments raised during proceedings
3. Restrictions on Scope
(a) No New Claims or Defences
Introducing new causes of action or defenses at the closing stage is generally prohibited.
(b) No New Evidence (Without Leave)
Fresh evidence is usually disallowed unless:
Exceptional circumstances exist
Tribunal grants permission
(c) No Procedural Ambush
Parties cannot use closing submissions to:
Surprise the opposing party
Circumvent procedural timelines
4. Tribunal’s Discretion
Arbitral tribunals have wide discretion to:
Define the length and format of submissions
Allow or reject new arguments
Invite post-hearing briefs
This discretion is exercised in line with:
Equal treatment of parties
Right to be heard
5. Key Case Laws
1. PT Prima International Development v Kempinski Hotels SA
The court held that tribunals may allow new legal arguments in closing submissions if they arise from existing pleadings, but not entirely new claims.
2. CRW Joint Operation v PT Perusahaan Gas Negara (Persero) TBK
It was emphasized that due process is violated if a party is denied the opportunity to respond to new issues raised in closing submissions.
3. Glencore International AG v PT Tera Logistic Indonesia
The tribunal’s reliance on arguments not properly ventilated during proceedings (but raised late) may lead to setting aside of the award.
4. Soh Beng Tee & Co Pte Ltd v Fairmount Development Pte Ltd
The court clarified that natural justice requires parties to have a fair opportunity to address all issues, including those in closing submissions.
5. AKN v ALC
It was held that tribunals should not base decisions on points not argued or addressed, even if raised implicitly in submissions.
6. TMM Division Maritima SA de CV v Pacific Richfield Marine Pte Ltd
The court upheld that closing submissions must remain within the framework of pleaded issues, and tribunals must avoid exceeding jurisdiction.
6. Practical Considerations
(a) Structure of Closing Submissions
Typical structure includes:
Executive summary
Issues for determination
Factual analysis
Legal arguments
Relief sought
(b) Strategic Use
Effective submissions:
Simplify complex disputes
Focus on decisive issues
Avoid repetition of earlier pleadings
(c) Post-Hearing Briefs
Many tribunals allow:
Written submissions after oral hearings
Sequential submissions (reply/rejoinder)
7. Consequences of Exceeding Scope
Improper use of closing submissions may lead to:
Tribunal disregarding portions of submissions
Procedural objections by the opposing party
Challenges to the award (e.g., for breach of natural justice)
8. Conclusion
The scope of closing submissions in arbitration is broad but controlled. While parties are given significant latitude to present persuasive arguments, they must operate within:
The boundaries of pleadings and evidence
Principles of fair hearing and due process
Tribunals play a crucial role in ensuring that closing submissions enhance clarity rather than introduce unfairness, thereby safeguarding the integrity of the arbitral process.

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