"Lawyer Practice & Case Law Compendium PRO" is a next-generation legal practice and learning platform that integrates official full-text search of all current Japanese laws (approximately 8,000), elements of fact and burden of proof for each important article, summaries of Supreme Court precedents, citation copies for complaints and preparatory briefs, comparisons of old and new laws, and a courtroom calculator in one place.
It can be widely used by lawyers, judges, prosecutors, legal apprentices, judicial scriveners, administrative scriveners, corporate legal staff, law school students, bar exam and preliminary exam candidates, as well as the general public who want to look up legal issues in their daily lives.
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[Main Functions and Features of This App]
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1. Complete Search and Full-Text Viewing of All Current Japanese Laws (approximately 8,000 Laws)
By linking with the Digital Agency's e-Gov Law API, it covers all 8,000 or more current laws, including the Constitution, laws, cabinet orders, ministerial ordinances, and regulations.
You can view all articles, paragraphs, and clauses of all laws, from the first to the last article, in their official format, including the Civil Code, Criminal Code, Company Law, Code of Civil Procedure, Code of Criminal Procedure, Labor Standards Act, as well as the Road Traffic Act, Copyright Act, Personal Information Protection Act, Bankruptcy Act, and Antimonopoly Act.
Once viewed, the laws are automatically cached on your device, allowing for instant offline access even in courtrooms without network coverage, underground, or while traveling.
2. Practical Elements of Facts, Burden of Proof, and Defense Structure
Systematically organizes the "Facts Constituting the Cause of Action," "Facts of Defense," "Facts of Counter-Defense," and "Burden of Proof (Plaintiff/Defendant)" for each major article.
This provides rapid support when drafting complaints, answers, and briefs, and when structuring claims during consultations on new cases.
3. Summaries of Supreme Court Final Judgments and "Practical Scope and Points of Interest"
Clearly indicates the case summary, judgment summary, and official case law volume and page number for Supreme Court judgments related to the articles. This resource goes beyond simply quoting judgments; it explains the key points and scope of application for how to invoke them in practical arguments and evidence.
4. One-Click Quote Copy for Complaints, Briefs, and Contracts
From the detailed clause screen, you can copy formal quotations to your clipboard with a single tap, depending on your needs.
• Complaint, Brief, and Contract Quotation Format
• Concise Clause Heading Format
• Essential Facts and Burden of Proof Structure Format
• Supreme Court Precedent and Judgment Quotation Format
5. Comparison of Old and New Laws and Explanation of Transitional Measures for Major Legal Amendments
For important amended clauses such as the 2020 major revision of the Civil Code (Law of Obligations and Inheritance Law) and the IT-based amendment of the Code of Civil Procedure, the "current law after amendment," the "old law before amendment," and "practical changes and transitional measures" are clearly displayed side-by-side. You won't get lost when checking cases where the old law applies or transitional measures.
6. Two-Article Split Parallel Comparison Tool
You can select any two articles of the Civil Code, such as Article 541 (Rescission) and Article 533 (Simultaneous Performance), or Article 709 (Tort) and Article 415 (Breach of Contract), and compare them side-by-side on the screen. You can simultaneously scroll through the text of the articles, the elements of the facts, and the explanations for comparison.
7. Six Major Courts/Legal Practice Calculator (3-Digit Comma Preset Supported)
Simply enter numbers, and they will be formatted with 3-digit commas in real time. It also includes a one-tap addition tip for frequently occurring amounts.
* **Attorney Fee Simulator (Based on the former Japan Federation of Bar Associations fee standards: retainer fee and success fee)**
* **Civil Litigation Stamp Duty and Prepaid Postage Calculator (Based on the Act on Civil Litigation Costs, etc.)**
* **Statutory Late Payment Penalty Calculator (Based on Article 404 of the Civil Code, variable interest rate of 3 percent, and calculation by day)**
* **Court Standard Child Support and Spousal Support Calculation Simulator (Based on the annual income of the recipient and the obligor)**
* **Statutory Inheritance Share and Legitimate Portion Calculation Simulator (Spouse, child, direct ascendant, siblings)**
* **Unpaid Overtime and Premium Wage Calculator (Monthly salary, basic hourly wage, overtime, late-night, and holiday premiums)**
8. One-Tap Switching Between "Expert Practitioner Mode" and "Easy Explanation Mode"
Switch with a single tap to "Everyday Language Summary," which breaks down legal terminology into everyday language, or to explanations of "what kind of troubles the relevant articles are used in." Ideal as an explanation tool for clients.
9. Customizable Learning and Practice Features
• Markers (Highlight important keywords)
• My Notes (Save internal notes and case notes for each article)
• 3-Star Importance Rating (Rating from 1 to 3 stars)
• Direct Article Number Jump (Instantly scroll to the target article by entering a number)
• Procedural Flowcharts (Civil litigation, civil preservation/enforcement, criminal detention, inheritance tree)
• Legal Terminology Dictionary (Explanations of over 50 important concepts)
• Essential Facts/Case Law Practice Quiz
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[Pricing Plans and Subscriptions]
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• Articles remain free, and you can read all 22 laws and 5,816 articles created from the original e-Gov Law API without an internet connection.
• The PRO plan removes restrictions on essential facts, case law, practice cases, cross-search, and citation format copying.
• Case law includes the case number and a link to the full judgment (court website), and the judgment summary is a quote from the judgment.
* Annual Plan: ¥6,800 per year (tax included / includes a free 1-week trial)
* Monthly Plan: ¥780 per month (tax included / includes a free 1-week trial)
* If you do not cancel at least 24 hours before the end of the free trial period, your subscription will automatically renew.
* You can manage and cancel your subscription at any time from your account settings in each store.
Terms of Service: https://b19.co.jp/terms-of-service/
Privacy Policy: https://b19.co.jp/privacy-policy/
This service fully integrates official full-text searches of all 8,000 current Japanese laws and regulations, elements of facts and burden of proof, Supreme Court precedents, copies of complaints, and six major court calculation tools for stamp duty, attorney fees, and late payment penalties.