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Arbitration

Search in case law

Search for a decision by keyword, theme, article of the Rules, chamber, year or language, and make use of the results.

Updated : October 28, 2026· 3 min read

Finding the relevant decision

The Victory Banquet: from Battle Scenes of the Quelling of Rebellions in the Western Regions, with Imperial Poems (c. 1765–74; poem dated 1760)
The Victory Banquet: from Battle Scenes of the Quelling of Rebellions in the Western Regions, with Imperial Poems (c. 1765–74; poem dated 1760)

In a database of 412 decisions, finding the one that answers your question takes a good method. The TAO search engine combines free text, filters and operators, and ranks results by relevance.

It works in all three languages: a term entered in French also finds decisions summarised in English or Spanish.

This page presents the method, the filters and tips for refining.

  • Search
  • Filter
  • Operator

Case-law search in figures

412Searchable decisions
6Combinable filters
3Search languages
< 2 sResponse time

Source: Registry of the OIMAP Arbitral Tribunal.

Breakdown

Keywords48%
Theme24%
Article of the Rules16%
Year12%

Most-used search modes.

The Calumny of Apelles, Giorgio Ghisi (1560)
The Calumny of Apelles, Giorgio Ghisi (1560)
Seal with Two Qilin Playing (1849)
Seal with Two Qilin Playing (1849)
Sketches in Belgium and Germany, Volume I: Hall of Justice of the Magistrates du Franc, Bruges, Louis Haghe (1840)
Sketches in Belgium and Germany, Volume I: Hall of Justice of the Magistrates du Franc, Bruges, Louis Haghe (1840)

Reading and sorting results

Each result shows the reference, a summary title, the date, the themes and an extract of the summary. Results can be sorted by relevance, by date or by theme. Results indicate the decisions most cited in commentaries.

A button lets you find neighbouring decisions, that is, those sharing the same articles and keywords. This function helps build an overview of the case law on a question.

Alerts and export

Registered users can save a search and receive an alert when a new matching decision is published. Results can be exported as PDF or CSV for inclusion in a note or brief.

Export respects anonymity: it contains only the public data of the entry. It is time-stamped to record the date of consultation.

Beyond the TAO database

The TAO database can be supplemented by other sources: State case law, collections from other arbitration institutions, academic publications. A research guide, available for download, lists the main resources for art law.

Each year the Registry organises a case-law research workshop for students and young lawyers, in collaboration with several universities.

Examples of searches

Four typical searches
QuestionRequêteFilters
Value of an appraisal"adversarial appraisal"Chamber: authenticity
Good faith of the buyergood faith AND provenanceTheme: provenance
Limitationlimitation NOT restitutionYear: since 2019
Costsallocation of costsArticle 55

Milestones

  1. Simple search

    Keywords.

  2. Filters

    Themes and chambers.

  3. Neighbouring decisions

    Suggestion.

  4. Alerts

    Notifications.

Start broad

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)
The Antechamber of the Palace of Justice, Paris, Charles Meryon (1855)
The Antechamber of the Palace of Justice, Paris, Charles Meryon (1855)
Carved Lacquer Scroll Box (1736–95)
Carved Lacquer Scroll Box (1736–95)

Text search or search by theme

The Judgment of Solomon and Esther before Ahasuerus (pair), Dirk Vellert (c. 1530)

Free text

Keywords
  • Flexible
  • Varied results
  • Risk of noise

To explore.

The Dance at the Court of Herod, Israhel van Meckenem (c. 1500)

By theme

Tree structure
  • Precise
  • Fast
  • Requires knowing the classification

To target.

Tips

A student

Coronation of the Virgin, Christoffel Jegher (1632–36)
« Entering "latent defects" and "painting", I found six comparable decisions. My dissertation changed shape. »
Léo Marchand, law student

Frequently asked questions

Is the search free?

Yes.

May I search in my language?

Yes.

How do I create an alert?

By saving a search, account required.

Where can I read the commentaries?

Useful documents

Contacts

The Doge's Palace, Venice, Richard Parkes Bonington (1826)
The Doge's Palace, Venice, Richard Parkes Bonington (1826)
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 commentaries

Document Box (Ryōshibako) with Chrysanthemum and Plum (lid) (late 1800s-early 1900s)

Analyses by legal scholars.

Commentaries
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