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---
annotations_creators:
- other
language_creators:
- found
language:
- bg 
- cs 
- da 
- de 
- el 
- en
- es 
- et 
- fi 
- fr 
- ga
- hr 
- hu 
- it 
- lt 
- lv 
- mt
- nl 
- pl 
- pt 
- ro 
- sk 
- sl 
- sv
license:
- cc-by-4.0
multilinguality:
- multilingual
paperswithcode_id: null
pretty_name: "MultiLegalPile: A Large-Scale Multilingual Corpus for the Legal Domain"
size_categories:
- 10M<n<100M
source_datasets:
- original
task_categories:
- fill-mask

---

# Dataset Card for MultiLegalPile: A Large-Scale Multilingual Corpus for the Legal Domain

## Table of Contents

- [Table of Contents](#table-of-contents)
- [Dataset Description](#dataset-description)
    - [Dataset Summary](#dataset-summary)
    - [Supported Tasks and Leaderboards](#supported-tasks-and-leaderboards)
    - [Languages](#languages)
- [Dataset Structure](#dataset-structure)
    - [Data Instances](#data-instances)
    - [Data Fields](#data-fields)
    - [Data Splits](#data-splits)
- [Dataset Creation](#dataset-creation)
    - [Curation Rationale](#curation-rationale)
    - [Source Data](#source-data)
    - [Annotations](#annotations)
    - [Personal and Sensitive Information](#personal-and-sensitive-information)
- [Considerations for Using the Data](#considerations-for-using-the-data)
    - [Social Impact of Dataset](#social-impact-of-dataset)
    - [Discussion of Biases](#discussion-of-biases)
    - [Other Known Limitations](#other-known-limitations)
- [Additional Information](#additional-information)
    - [Dataset Curators](#dataset-curators)
    - [Licensing Information](#licensing-information)
    - [Citation Information](#citation-information)
    - [Contributions](#contributions)

## Dataset Description

- **Homepage:**
- **Repository:** 
- **Paper:** 
- **Leaderboard:**
- **Point of Contact:** [Joel Niklaus](mailto:joel.niklaus.2@bfh.ch)

### Dataset Summary

The Multi_Legal_Pile is a large-scale multilingual legal dataset suited for pretraining language models.
It spans over 24 languages and four legal text types. 

### Supported Tasks and Leaderboards

The dataset supports the tasks of fill-mask.

### Languages

The following languages are supported: bg, cs, da, de, el, en, es, et, fi, fr, ga, hr, hu, it, lt, lv, mt, nl, pl, pt,
ro, sk, sl, sv

## Dataset Structure

It is structured in the following format:
text_type -> language -> jurisdiction.jsonl.xz

text_type is one of the following:

- caselaw
- contracts
- legislation
- other

The dataset can be used in the following way:
```
from datasets import load_dataset

config = 'en_contracts'
dataset = load_dataset('joelito/Multi_Legal_Pile', config, split='Train', streaming=True)
```

'config' is a combination of language and text_type, e.g. 'en_contracts' or 'de_caselaw'.
To load all the languages or all the text_types, use 'all' instead of the language or text_type (e.g., '
all_legislation').

### Data Instances

The file format is jsonl.xz and there is one split available ("train").


The complete dataset (564GB) consists of four large subsets:
- Native Multi Legal Pile (30GB)
- Eurlex Resources (179GB)
- MC4 Legal (133GB)
- Pile of Law (222GB)


#### Native Multilingual Legal Pile data

| Language | Text Type   | jurisdiction | Source                             | Size (MB) | Tokens | Documents | Words/Document | URL | License |
|:---------|:------------|:-------------|:-----------------------------------|----------:|-------:|----------:|---------------:|-----|--------:|
| bg       | legislation | Bulgaria     | MARCELL                            |       588 |    xxx |       xxx |            xxx |     |         |
| cs       | caselaw     | Czechia      | CzCDC Constitutional Court         |       713 |    xxx |       xxx |            xxx |     |         |
| cs       | caselaw     | Czechia      | CzCDC Supreme Administrative Court |      1248 |    xxx |       xxx |            xxx |     |         |
| cs       | caselaw     | Czechia      | CzCDC Supreme Court                |      1566 |    xxx |       xxx |            xxx |     |         |
| da       | caselaw     | Denmark      | DDSC                               |       205 |    xxx |       xxx |            xxx |     |         |
| da       | legislation | Denmark      | DDSC                               |      1464 |    xxx |       xxx |            xxx |     |         |
| de       | caselaw     | Germany      | openlegaldata                      |      4310 |    xxx |       xxx |            xxx |     |         |
| de       | caselaw     | Switzerland  | entscheidsuche                     |      6937 |    xxx |       xxx |            xxx |     |         |
| de       | legislation | Germany      | openlegaldata                      |        96 |    xxx |       xxx |            xxx |     |         |
| de       | legislation | Switzerland  | lexfind                            |       299 |    xxx |       xxx |            xxx |     |         |
| en       | legislation | Switzerland  | lexfind                            |         9 |    xxx |       xxx |            xxx |     |         |
| en       | legislation | UK           | uk-lex                             |       262 |    xxx |       xxx |            xxx |     |         |
| fr       | caselaw     | Belgium      | jurportal                          |       104 |    xxx |       xxx |            xxx |     |         |
| fr       | caselaw     | France       | CASS                               |       266 |    xxx |       xxx |            xxx |     |         |
| fr       | caselaw     | Luxembourg   | judoc                              |       277 |    xxx |       xxx |            xxx |     |         |
| fr       | caselaw     | Switzerland  | entscheidsuche                     |      5100 |    xxx |       xxx |            xxx |     |         |
| fr       | legislation | Switzerland  | lexfind                            |       219 |    xxx |       xxx |            xxx |     |         |
| fr       | legislation | Belgium      | ejustice                           |       178 |    xxx |       xxx |            xxx |     |         |
| hu       | legislation | Hungary      | MARCELL                            |       239 |    xxx |       xxx |            xxx |     |         |
| it       | caselaw     | Switzerland  | entscheidsuche                     |      1274 |    xxx |       xxx |            xxx |     |         |
| it       | legislation | Switzerland  | lexfind                            |       141 |    xxx |       xxx |            xxx |     |         |
| nl       | legislation | Belgium      | ejustice                           |       178 |    xxx |       xxx |            xxx |     |         |
| pl       | legislation | Poland       | MARCELL                            |       264 |    xxx |       xxx |            xxx |     |         |
| pt       | caselaw     | Brazil       | RulingBR                           |       173 |    xxx |       xxx |            xxx |     |         |
| ro       | legislation | Romania      | MARCELL                            |      2704 |    xxx |       xxx |            xxx |     |         |
| sk       | legislation | Slovakia     | MARCELL                            |       192 |    xxx |       xxx |            xxx |     |         |
| sl       | legislation | Slovenia     | MARCELL                            |       753 |    xxx |       xxx |            xxx |     |         |
| total    | all         | all          | all                                |     29759 |    xxx |       xxx |            xxx |     |         |

#### Eurlex Resources

See [Eurlex Resources](https://huggingface.co/datasets/joelito/eurlex_resources#data-instances) for more information.

#### MC4 Legal

See [MC4 Legal](https://huggingface.co/datasets/joelito/mc4_legal#data-instances) for more information.

#### Pile-of-Law

See [Pile-of-Law](https://huggingface.co/datasets/pile-of-law/pile-of-law#data-instances) for more information.

For simplicity and with respect to balancing off data across different jurisdictions and languages,
we disregard many US resources that are either very specialized (e.g., tax rulings),
outdated/historical (e.g., founding letters),
very small (less than 20MB),
not legal language in the strict sense (conversations),
or the information overlaps with other sources (study materials).
If you are interested in a US-based (US-biased) model, refer to the "Pile of (US) Law" by Henderson et al. (2022).
Analyses are put into the "other" category because in mc4_legal we also likely have similar text.

| Language  | Type        | jurisdiction | Source                     | Size (MB) | Tokens | Documents | Words/Document |
|:----------|:------------|:-------------|:---------------------------|----------:|-------:|----------:|---------------:|
| en        | caselaw     | US           | courtlisteneropinions      |     79050 |    xxx |       xxx |            xxx |
| en        | caselaw     | US           | courtlistenerdocketentries |     69510 |    xxx |       xxx |            xxx |
| en        | caselaw     | US           | scotus_filings             |      2010 |    xxx |       xxx |            xxx |
| en        | caselaw     | EU           | echr                       |       149 |    xxx |       xxx |            xxx |
| en        | caselaw     | Canada       | canadian_decisions         |       243 |    xxx |       xxx |            xxx |
| en        | contracts   | US           | atticus_contracts          |     41600 |    xxx |       xxx |            xxx |
| en        | contracts   | US           | edgar                      |     14350 |    xxx |       xxx |            xxx |
| en        | contracts   | US           | cfpb_creditcard_contracts  |        94 |    xxx |       xxx |            xxx |
| en        | legislation | US           | uscode                     |       358 |    xxx |       xxx |            xxx |
| en        | legislation | US           | state_codes                |      9030 |    xxx |       xxx |            xxx |
| en        | legislation | US           | us_bills                   |      1690 |    xxx |       xxx |            xxx |
| en        | legislation | US           | federal_register           |       212 |    xxx |       xxx |            xxx |
| en        | legislation | US           | cfr                        |       894 |    xxx |       xxx |            xxx |
| en        | legislation | N/A          | constitutions              |        33 |    xxx |       xxx |            xxx |
| en        | other       | US           | oig                        |      2530 |    xxx |       xxx |            xxx |
| en        | other       | US           | olc_memos                  |        49 |    xxx |       xxx |            xxx |
| total     | all         | all          | all                        |    221851 |    xxx |       xxx |            xxx |

### Data Fields

[More Information Needed]

### Data Splits

[More Information Needed]

## Dataset Creation

### Curation Rationale

[More Information Needed]

### Source Data

#### Initial Data Collection and Normalization

[More Information Needed]

#### Who are the source language producers?

[More Information Needed]


### Annotations

#### Annotation process

[More Information Needed]

#### Who are the annotators?

[More Information Needed]

### Personal and Sensitive Information

[More Information Needed]

## Considerations for Using the Data

### Social Impact of Dataset

[More Information Needed]

### Discussion of Biases

[More Information Needed]

### Other Known Limitations

[More Information Needed]

## Additional Information

### Dataset Curators

[More Information Needed]

### Licensing Information

[More Information Needed]

### Citation Information

```
TODO add citation
```

### Contributions

Thanks to [@JoelNiklaus](https://github.com/joelniklaus) for adding this dataset.