What Is Pilex: A Local AI Casework Assistant Built for Lawyers

What is Pilex

Pilex is a local AI casework assistant built specifically for lawyers. Pilex can read case materials, automatically organize facts, evidence, and disputed issues, with every conclusion clearly cited; it supports AI drafting of complaints and lawyer's letters, clause-by-clause contract risk review, intelligent comparison of two documents, and automatic extraction of document deadlines into a calendar. Case data is encrypted and stored locally; when calling cloud AI, sensitive information is automatically desensitized, and you can still browse offline—making AI a reliable assistant.

Main Features of Pilex

Pilex is a local AI casework assistant built specifically for lawyers: AI drafting of complaints/lawyer's letters/material organization, clause-by-clause contract risk review, intelligent comparison of two documents, and automatic extraction of document deadlines into a calendar. Case data is encrypted and stored locally; when calling cloud AI, sensitive information is automatically desensitized, making AI your reliable assistant.

• Smart Organization of Case Materials: AI automatically reads case materials, extracts facts, evidence, and disputed issues, with every conclusion citing its source.
• AI Drafting of Documents: One-click drafting of complaints, lawyer's letters, defense statements, and other legal documents—a first draft ready to use instantly.
• Clause-by-Clause Contract Risk Review: Identify legal risk points in the contract clause by clause and provide revision suggestions.
• Intelligent Comparison of Two Documents: Automatically compare the differences between two documents, quickly spotting changes and risky clauses.
• Automatic Deadline Sync to Calendar: Intelligently extract key dates such as proof deadlines and appeal periods from documents, automatically syncing calendar reminders.
• Full-Case Memory: Remembers where each case left off and your working habits, getting more useful the more you use it.
• Local Encrypted Storage: Case data lives only on your computer, accessible even offline.
• Automatic Sensitive-Information Desensitization: When calling cloud AI, client privacy and other sensitive information are automatically hidden—secure and compliant.

How to Use Pilex

• Download and Install: Visit the Pilex official website at https://pilex.yzsdai.top/ , choose the installed or portable version (.exe), and double-click to run.
• Configure the Model: Go to "Settings → Model Configuration", select a provider, paste your API Key, and click "Test Connection" to confirm the green light.
• Create Your First Case: Click "+ New Case" in the top-left of the main interface, name it in the format "Cause + Parties", and the system automatically generates a local case workspace.
• Import a Document: Drag PDF/Word/Excel files such as contracts or IOUs into the left file panel; the system automatically parses content, extracts key facts, and stores them in the knowledge base.
• Ask the AI: In the right-hand "AI Collaboration Assistant", type a question (e.g., "What is the current status of this case?"). Answers come with source citations you can click to jump to the original, and save useful ones as a draft with one click.

Core Advantages of Pilex

• Local Encrypted Data Storage: Case data is saved only on your computer, not uploaded to a server—privacy and security under your control.
• Automatic Desensitization on Cloud Calls: Sensitive information is automatically hidden when calling cloud AI, balancing AI capability with data compliance.
• Conclusions with Source Citations: Every analysis is cited, jumpable to original materials with one click—reliable and verifiable.
• Full-Case Memory: Remembers each case's progress and your working habits, getting more useful the more you use it.
• Available Offline: Local materials and drafts can be opened and browsed offline, free from network constraints.
• Free Model Switching: Supports over ten providers including DeepSeek, Tongyi Qianwen, OpenAI, and Kimi—choose as needed.
• Zero-Barrier Onboarding: No environment setup or technical background needed—install, enter your Key, and start working cases.

Application Scenarios for Pilex

• Litigation Case Analysis: Upload case materials such as contracts and IOUs; AI automatically sorts out the factual thread, disputed issues, and cites sources, quickly forming a case strategy.
• Legal Document Drafting: One-click drafting of complaints, defense statements, lawyer's letters, and other documents based on case materials—first draft ready instantly, save as a draft to continue editing anytime.
• Contract Risk Review: Identify legal risks clause by clause and provide revision suggestions, catching risks before signing.
• Multi-Document Comparison: Intelligent comparison of two documents, quickly spotting version differences and clause changes, preventing "yin-yang contract" oversights.
• Case Deadline Management: Automatically extract key dates such as proof deadlines and appeal periods from documents and sync to calendar, avoiding missed limitation periods.

Frequently Asked Questions

Q1: What is Pilex? A1: Pilex is a local AI casework assistant built specifically for lawyers. It can read case materials, automatically organize facts, evidence, and disputed issues with every conclusion cited; it supports document drafting, contract review, comparison of two documents, and deadline sync to calendar. Case data is encrypted locally, and sensitive information is automatically desensitized when calling cloud AI.

Q2: How is case data security ensured? A2: Case data is encrypted and stored only on your local machine, not uploaded to a server; when calling cloud AI, client privacy and other sensitive information are automatically hidden, and drafts and materials can be browsed even offline.

Q3: Which large language models are supported? A3: It supports over ten providers including DeepSeek, Tongyi Qianwen, OpenAI, and Kimi, freely switchable in "Settings → Model Configuration".

Q4: Do I need internet to use it? A4: No. Local case materials and drafts can be opened and browsed offline; internet is only needed when calling cloud AI for analysis.