Lease Assignment and Subletting Clause Retrieval Dataset

#legal document retrieval #clause retrieval #lease rights analysis #lease agreement review #commercial lease analysis #real estate contract retrieval

5000
0.4GB
JSON
CATL
MOBIUSI INC

Updated:2026-10-19

AI Analysis & Value Prop

This dataset focuses on lease provisions concerning assignment of tenant interests, subletting, landlord consent, transferee obligations, and changes in control, paired with factual, conditional, and mixed retrieval queries. It provides structured analyses of transaction scope, contractual restrictions, transferee obligations, and changes in control, along with evidence spans supporting retrieval conclusions. It is designed for building and evaluating legal RAG retrieval systems and supporting contract review, lease transaction analysis, and legal knowledge services.

Dataset Insights

Sample Examples

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Technical Specifications

Field	Type	Description
file_name	string	File name
query_type	string	Classifies the retrieval query as factual, conditional, or mixed based on its content.
clause_text	string	Original lease clause text related to assignment of tenant interests, subletting, landlord consent, transferee obligations, or changes in control.
evidence_spans	array	Key text spans located and annotated in the contract clause to support the retrieval conclusion.
retrieval_query	string	A factual or conditional retrieval question about a contract clause.
retrieval_result	object	A matching assessment, conditional analysis, and supporting rationale based on the retrieval query and contract clause.
transaction_scope	array	Identifies the types of lease transaction arrangements addressed by the clause and query.
restriction_analysis	object	Structured analysis of restrictions on assignment, subletting, and landlord consent requirements.
transferee_obligations	array	Obligations that the transferee or party succeeding to lease interests must assume under the clause.
control_change_analysis	object	Analysis of whether a change in the tenant's ownership, control, or operational control triggers lease restrictions.

Compliance Statement

Authorization Type	Proprietary - Commercial AI Training License (No Redistribution)
Commercial Use	Requires exclusive subscription or authorization contract (monthly or per-invocation charging)
Privacy and Anonymization	No PII, no real company names, simulated scenarios follow industry standards
Compliance System	Compliant with China's Data Security Law / EU GDPR / supports enterprise data access logs

Frequently Asked Questions

What lease topics does the dataset cover?: It focuses on clauses involving assignment of tenant interests, subletting, landlord consent, transferee obligations, and changes in the tenant's control, paired with factual, conditional, or mixed retrieval queries.

What annotations and analyses are included?: Along with clause text and retrieval queries, the dataset includes query types, transaction scope, restriction analysis, transferee obligations, change-of-control analysis, retrieval results, and supporting evidence spans.

Which model tasks is the dataset suitable for?: It can support legal clause retrieval and RAG retrieval evaluation, as well as query classification, transaction arrangement identification, contract restriction analysis, and evidence localization.

How can I access the data, and what license applies?: Refer to the product page for the available delivery method, license terms, and usage restrictions. Before using the data in commercial deployments, redistribution, or a specific legal workflow, verify that the applicable license covers that use.

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Cite this Work

@dataset{Mobiusi2026,
  title={Lease Assignment and Subletting Clause Retrieval Dataset},
  author={MOBIUSI INC},
  year={2026},
  url={https://www.mobiusi.com/datasets/361ca8e4852211896be91e35f420eb47},
  urldate={2026-10-15},
  keywords={lease agreement dataset,subletting clause retrieval,tenant interest assignment,lease contract review,legal RAG retrieval,change of control clauses,contract restriction analysis,legal retrieval data},
  version={1.0}
}

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