圆周律πLex

What is 圆周律πLex

圆周律πLex is a local AI case-handling assistantbuilt specifically for lawyers. 圆周律πLex can read case materials and automatically organize facts, evidence, and points of dispute, with the source noted for every conclusion; 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 the calendar. Case data is encrypted and stored locally, sensitive information is automatically redacted when calling cloud AI, and it can be browsed even offline, making AI a reliable assistant.

Main features of 圆周律πLex

圆周律 πLex is a local AI case-handling assistant built specifically for lawyers: AI drafting of complaints/lawyer's letters/organizing materials, etc., clause-by-clause contract risk review, intelligent comparison of two documents, and automatic extraction of document deadlines into the calendar. Case data is encrypted and stored locally, and sensitive information is automatically redacted when calling cloud AI, letting AI be your reliable assistant.

• Intelligent organization of case materials: AI automatically reads case materials and extracts facts, evidence, and points of dispute, with the source noted for every conclusion.
• AI document drafting: Draft legal documents such as complaints, lawyer's letters, and statements of defense with one click, with a ready-to-use first draft.
• Clause-by-clause contract risk review: Identify legal risk points in a contract clause by clause and provide revision suggestions.
• Intelligent comparison of two documents: Automatically compare the differences between two documents to quickly identify changes and risky clauses.
• Automatic deadlines into calendar: Intelligently extract key dates such as the evidence submission deadline and appeal period from documents, and automatically sync calendar reminders.
• Full-process case memory: Remember where each case left off and your case-handling habits, becoming more convenient the more you use it.
• Local encrypted storage: Case data is stored only on your computer and can be opened and browsed even offline.
• Automatic redaction of sensitive information: Automatically hide sensitive information such as client privacy when calling cloud AI, ensuring security and compliance.

How to use 圆周律πLex

• Download and install: Visit the 圆周律πLex official website https://pilex.yzsdai.top/ , choose the installed version or the portable version (.exe), and double-click to run.
• Configure the large model: Go to "Settings → Model Configuration", select a provider, paste the API Key, and click "Test Connection" to confirm the green light is on.
• Create your first case: Click "+ New Case" in the upper left corner of the main interface, name it in the format "Cause of Action + Party", and the system will automatically generate a local case working directory.
• Import a material: Drag PDF/Word/Excel files such as contracts and IOUs into the file panel on the left, and the system will automatically parse the content, extract key facts, and store them in the knowledge base.
• Ask AI questions: Enter questions in the "AI Collaboration Assistant" on the right (such as "What is the current status of this case?"). Answers all include source citations, can be clicked to jump to the original text, and if useful can be saved as a draft with one click.

Core advantages of 圆周律πLex

• Local encrypted data storage: Case data is stored only on the computer and is not uploaded to servers, making privacy secure and controllable.
• Automatic redaction when calling the cloud: When calling cloud AI, sensitive information is automatically redacted, balancing AI capabilities with data compliance.
• Conclusions with source citations: Every analysis is annotated with its source and can be jumped to the original material with one click, making it reliable and verifiable.
• Full case process memory: Remembers the progress of each case and your case-handling habits, becoming more convenient the more you use it.
• Usable offline: Local materials and drafts can be opened and browsed offline, free from network environment restrictions.
• Free switching among multiple models: Supports more than ten providers including DeepSeek, Tongyi Qianwen, OpenAI, Kimi, etc., choose as needed.
• Zero-threshold onboarding: No need to configure the environment or have a technical background; install, enter the Key, and start handling cases.

Application scenarios of 圆周律πLex

• Litigation case analysis: Upload case materials such as contracts and IOUs, and AI automatically sorts out the factual context, points of dispute, and source annotations, quickly forming a case-handling approach.
• Legal document drafting: Based on case materials, draft documents such as complaints, statements of defense, and lawyer's letters with one click; the first draft is immediately usable and can be saved as a draft for continued editing at any time.
• Contract risk review: Identifies legal risks clause by clause in contracts and provides revision suggestions, ensuring risk control before signing.
• Multi-document comparison and verification: Intelligent comparison of two documents, quickly discovering version differences and clause changes to prevent omissions in "yin-yang contracts".
• Case deadline management: Automatically extracts key dates such as the evidence submission deadline and appeal period from documents and syncs them to the calendar, avoiding missed time limits.