Observe · Regulate · Protect — since 2007. 19th OIMAP General Assembly: Singapore, 10–12 June 2026. Programme
Arbitration

Tribunal reports

Annual report, thematic studies and archives: the public memory of the TAO's activity.

Updated : October 28, 2026· 3 min read

Pages in this section

Being accountable

Portrait of John VIII Palaoelogus, Emperor of Constantinople, 1424-1428 (reverse), Pisanello (c. 1438–1439)
Portrait of John VIII Palaoelogus, Emperor of Constantinople, 1424-1428 (reverse), Pisanello (c. 1438–1439)

An arbitral tribunal is a private institution, but its legitimacy depends on its transparency. Each year the TAO publishes a full report on its activity and thematic studies, and keeps the archives of its publications since its creation in 2011.

All these documents are free and accessible online, in French, English and Spanish. They serve practitioners, researchers and journalists.

This section presents the annual report, the studies and the archives.

  • Reports
  • Transparency
  • Studies

Tribunal reports in figures

14Annual reports published
23Thematic studies
3Languages
€0Cost of access

Source: Registry of the OIMAP Arbitral Tribunal.

Three series

Breakdown

Annual reports14
Thematic studies23
Method notes14
Compendia of decisions10

Documents published.

The Antechamber of the Palace of Justice, Paris, Charles Meryon (1855)
The Antechamber of the Palace of Justice, Paris, Charles Meryon (1855)
Letter Box, Ogata Kōrin (1700s)
Letter Box, Ogata Kōrin (1700s)
Coronation of the Virgin, Christoffel Jegher (1632–36)
Coronation of the Virgin, Christoffel Jegher (1632–36)

Why publish

Transparency allows users to understand how the tribunal works, to assess its performance and to anticipate its developments. It also encourages continuous improvement: time limits, costs and parties' satisfaction are measured and commented on.

It meets a requirement of good governance: arbitration institutions increasingly publish their statistics, methods and decisions, while respecting the confidentiality of cases.

What the reports contain

The annual report presents the year's activity: number of cases, durations, costs, mediations, enforcement, composition of the tribunal, evolution of the Rules, accounts. Thematic studies go deeper into a subject: time limits, authenticity, restitution, arbitration and technology, parity.

Method notes explain how the statistics are produced. Compendia of decisions bring together landmark awards accompanied by commentaries.

Access and reuse

All the reports are freely accessible and reusable with acknowledgement of the source. Figures are published as CSV to allow independent analysis. A free subscription gives notice of new publications.

The Registry answers requests from journalists and researchers, respecting confidentiality. Presentations are held each year on publication of the report.

Dialogue with users

Each year the tribunal holds a meeting with its users to present its report, gather their observations and discuss possible developments. Proposals are examined by the quality committee.

A satisfaction survey, conducted among the parties at the close of each case, feeds into the report. Its results are published: 92% of parties say they are satisfied or very satisfied with the procedure.

Documents published

Four series
TypeFrequencyContent
Annual reportAnnualActivity and accounts
StudiesQuarterlyParticular themes
Method notesAnnualStatistics
CompendiumAnnualLandmark decisions

Milestones

  1. First report

    2011 activity.

  2. Thematic studies

    Launch.

  3. Open data

    CSV.

  4. 14th report

    Latest edition.

Seal of Doge Michele Steno (reverse) (1400–1409)
Seal of Doge Michele Steno (reverse) (1400–1409)
Teapot with Landscape and Imperial Poem, Chen Hanwen (1762–95)
Teapot with Landscape and Imperial Poem, Chen Hanwen (1762–95)
Document Box (Ryōshibako) with Chrysanthemum and Plum (lid) (late 1800s-early 1900s)
Document Box (Ryōshibako) with Chrysanthemum and Plum (lid) (late 1800s-early 1900s)

Confidentiality preserved

Annual report or thematic study

Fish or Seal Club (X’ús’) (late 1800s–early 1900s)

Annual report

Overview
  • Full figures
  • Year-on-year comparisons
  • Regular format

To follow activity.

Seal with Two Qilin Playing (1849)

Study

In-depth treatment
  • Analysis of a subject
  • Recommendations
  • Variable format

To understand a question.

Using the reports

  1. Choose

    Report or study.

  2. Read

    Summary.

  3. Extract

    Figures.

  4. Cite

    Source.

  5. React

    Feedback to the Registry.

Typical readers

A journalist

Carved Lacquer Scroll Box (1736–95)
« The TAO's reports have become a reference for understanding the evolution of art disputes. The open data is a real plus. »
Antoine Brière, specialist journalist

Vocabulary of reports

Annual report
Account of a year's activity.
Thematic study
Analysis of a particular subject.
Open data
Data published freely.
Aggregated
Grouped without individual identification.

Frequently asked questions

Are the reports free?

Yes.

May I reuse the figures?

Yes, citing the source.

Are there archives?

Yes, since 2011.

Where can I see the latest report?

Useful documents

Contacts

Egypt and Nubia, Volume I: The Great Temple of Aboo-Simble, Nubia, Louis Haghe (1846)
Egypt and Nubia, Volume I: The Great Temple of Aboo-Simble, Nubia, Louis Haghe (1846)
Registry of the Arbitral Tribunal (TAO)Paris — Head Office+33 1 00 00 04 00greffe.tao@oimap.exampleMonday to Friday, 9 a.m. – 5 p.m.

Read the annual report

The Triumph of Mordecai, Lucas van Leyden (1515)

Activity of the year.

Annual report
Image credits (22)
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