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Legal · Platform policy

ACCEPTABLE
USE POLICY.

Effective date: 1 January 2025 · Last updated: 1 August 2025

Lengdon provides closing infrastructure for private capital transactions. This Acceptable Use Policy defines permitted and prohibited uses of the platform. By using Lengdon, you agree to comply with this policy. Violations may result in account suspension or termination.

Permitted uses

Closing legitimate private capital transactions between consenting, identified parties

Raising equity financing for operating businesses through structured transaction rooms

Conducting M&A, secondary, or transfer transactions with proper legal counsel

Managing SPV and syndicate closes where all participants are properly identified

Using Lengdon's API and webhooks to integrate closing infrastructure into compliant platforms

Generating and retaining sealed close records for legitimate audit, regulatory, and legal purposes

Prohibited uses

Fraudulent transactions

Creating transaction rooms for non-existent companies or fictitious transactions

Using Lengdon to manufacture false audit records or to simulate a close that did not occur

Impersonating legal entities, individuals, or counsel in transaction rooms

Regulatory violations

Conducting transactions that violate applicable securities laws, including unregistered offerings to non-accredited investors where prohibited

Using Lengdon for transactions involving sanctioned parties or jurisdictions

Structuring transactions through Lengdon to evade tax reporting obligations

Platform misuse

Attempting to modify, tamper with, or circumvent the immutability of audit logs or sealed records

Using the platform to harass, coerce, or misrepresent terms to counterparties

Automated creation of transaction rooms at scale without legitimate underlying transactions

Attempting to access transaction rooms, records, or accounts that you are not authorized to access

Content restrictions

Uploading malware, spyware, or malicious code to transaction rooms

Uploading content that violates applicable laws, including child safety laws

Using transaction room document storage to host unrelated content

Enforcement

Lengdon reserves the right to investigate suspected violations of this policy and to suspend or terminate accounts found to be in violation. We may report violations to applicable regulatory or law enforcement authorities where required. The immutability of sealed close records is preserved even upon account termination — both parties' exports remain valid and accessible.

Report suspected policy violations or abuse to trust@lengdon.com.