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Legal Information Extraction

🗂 Datasets

Legal Named Entity Recognition

Dataset Named Entities Language Jurisdiction Availability
Ahmed et al. Per, Loc, Org, CaseNo, Resp, Date, Refcourt, Refcase, Ref, Appealcourt, Appealcaseno, Money, FIRno, Approved English Pakistan No
Duarte et al. LREF, TREF, NE_ADM_TIME_DURATION, TIME_DATE_REL_TEXT Portuguese Portugal No
Luz de Araujo et al. ORGANIZACAO, PESSOA, LOCAL, TEMPO, LEGISLACAO, JURISPRUDENCIA Brazilian Portuguese Brazil No
Leitner et al. PER, LOC, ORG, NRM, REG, RS, LIT (19 Fine grained classes) German German Yes
Cardellino et al. PERSON, ORGANISATION, DOCUMENT, ABSTRACTION, ACT English Europe No
Au et al. LOCATION, PERSON, BUSINESS, GOVERNMENT, COURT, LEGISLATION/ACT, MISCELLANEOUS English United States Yes
C¸ etinda˘g et al. PER, LOC, ORG, DAT, LEG, COU, REF, OFF, O Turkish Turkey Yes
Orasmaa et al. PER, LOC-ORG, LOC, ORG, MISC Estonian Estonia Yes
Brugman CASE, LOC, LEG, ID, DATE, SECTION, NJ, ECLI, PRISON_SENTENCE, FINANCIAL_SENTENCE, DURATION, CURRENCY, PROBATION, CONVERSION Dutch Netherland No
Kamat et al. CRT, PT, CD, DOC, JURD, LOC, CTYP, AUTH, CRTOF, DOJUD (more finegrained classes) English India Yes
Kalamkar et al. COURT, PETITIONER, RESPONDENT, JUDGE, LAWYER, DATE, ORG, GPE, STATUTE, PROVISION, PRECEDENT, CASE_NUMBER, WITNESS, OTHER_PERSON English India Yes
Naik et al. PERSON, LOC, DATE, ORG, COURT, LEGAL, ACT, CASE_NO English India No
Nuranti and Yulianti ADVOKAT, AMAR, HAKIM, JAKSA, ORGANISASI, PANITERA, PERATURAN, PUTUSAN, TANGGAL, TERLIBAT Indonesian Indonesia No
Pais et al. Person, LOCATION, ORGANISATION, TIME, LEGAL REF Romanian Romania Yes
Andrew PERSONNE, NOM, ADDRESS, SOCIETE_PRINCIPALE, SOCIETE_SECONDAIRE, ROLE, FONCTION, TYPE_SOCIETE French Luxembourg No
Glaser et al. PER, ORG, LOC, DA, MV, REF, OTH German Germany No
Krasadakis et al. LAW, CASE LAW, EURO LAW, EURO CASE LAW, ADMIN DOC, DOCTRINE, BOOK, FOREIGN LAW Greek Greece No
Jayasooriya et al. case titles, acts, legal citations, counsel, judges, argued dates, verdict dates, judgments English Sri Lanka No
Shi et al. N, Np, M, Nm, S, D, P, A, O Chinese China No
de Almeida et al. P, O English United States No
Samarawickrama et al P, O English United States No
Solihin and Budi Nomor Putusan, Nama terdakwa, Tindak pidana, Melanggar KUHP, Tuntutan hukuman, Putusan hukuman, Tanggal putusan, Hakim Ketua, Hakim anggota, Panitera, Penuntut umum Indonesian Indonesia No
Chen et al Person, Location, Organisation Chinese China No
Sharafat et al CaseNo, Date, Loc, Money, Org, Per, Ref, RefCase, RefCourt, Resp English Pakistan No
Chalkidis et al Contract Title, Contracting Parties, Start Date, Effective Date, Termination Date, Contract Period, Contract Value, Governing Law, Jurisdiction, Legislation Refs, Clause Headings English N/A Yes
Schraagen et al location, person, organisation, event, product, miscellaneous Dutch Netherlands No
U lyssesNER-Br DATA, EVENTO, FUNDlei, FUNDapelido, FUNDprojetodelei, FUNDsolicitacaotrabalho, LOCALconcreto, LOCALvirtual, ORGpartido, ORGgovernamental, ORGnaogovernamental, PESSOAindividual, PESSOAgrupoind, PESSOAcargo, PESSOAgrupocargo, PRODUTOsistema, PRODUTOprograma, PRODUTOoutros Brazilian Portuguese Brazil Yes
Kwak et al Testator, Trigger, Condition, Beneficiary, Will, Asset, Executor, Witness, Time, Duty, State, Date, County, Right, Expense, Debt, Bond, Codicil, Trustee, Non-beneficiary, Tax, Affidavit, Notary public, Trust, Guardian, Conservator English United States Yes
Oliveira et al contract_number, GDF_process, contractual_parties, contract_object, contract_date, contract_value, contract_duration, budget_unit, work_program, nature_of_expenditure, commitment_note Brazilian Portuguese Brazil No
Aejas et al Title, Parties, EffectiveDate, TermLength, NotificationPeriod, GoverningLaw English United States Yes

Legal Relationship Extraction

Dataset Relationships Language Jurisdiction Availability
Chen et al. traffic_in, sell_drug_to, possess, provide_shelter_for Chinese China No
Andrew PERSONNE_FONCTION, PERSONNE_ROLE, SOCIETE_ROLE, SOCIETE_TYPE French France No
Zhong et al. Pattern A1, Pattern A2, Pattern A3, Pattern A4, Pattern B Chinese China No
Kurant cause-effect-relation Polish Poland No
Schraagen and Bex residency Dutch Netherland No
Kwak et al Coreference resolution, Beneficiary-Asset, Testator-Asset, Testator-Beneficiary, Testator-Will, Testator-Executor, Inclusion, Competence, Parent-Child, Witness-Testator, Witness-Will, Spouse-Spouse, Beneficiary-Executor, Beneficiary-Will, Testator-Codicil, Testator-Trustee, Testator-Guardian, Testator-Conservator English United States Yes

Legal Event Detection

Dataset No of Event Types No of Event Arguments No of Argument Roles Language Jurisdiction Availability
Yao et al 108 - - Chinese China Yes
Li et al 5 6 5 Chinese China No
Shen et al 11 26 17 Chinese China No
Li et al 13 - - Chinese China No
Filtz et al 2 - - English Europe Yes
Paulino-Passos et al 7 - - English United States Yes
Araujo et al 4 - - Portuguese Brazil No
Kwak et al 20 - - English United States Yes
Xian et al 7 9.9 (on average) 378 Chinese China No

💻 Methods

Legal Named Entity Recognition

Lexicon and Rule-based Legal NER Methods

Machine Learning-based Legal NER Methods

Recurrent Neural Networks-based Legal NER Methods

Transformers-based Legal NER Methods

Legal Relationship Extraction

Lexicon and Rule-based Legal RE Methods

Deep learning-based Legal RE Methods

Legal Event Detection

Lexicon and Rule-based Legal ED Methods

Deep learning-based Legal ED Methods