Data Privacy

A collection of 21 posts
Slide summarising Japan’s APPI obligations, breach reporting timeline, cross-border transfer options, and METI cybersecurity guidelines for foreign companies
Data Privacy

Japan’s Data Privacy & Cybersecurity Rules (2025): APPI, Breach Reporting, and Cross-Border Transfers Explained

TL;DR Japan’s APPI now reaches foreign firms, mandates strict breach reporting, and limits overseas transfers unless safeguards match Japanese standards. Pair that with growing ransomware threats, METI cybersecurity guidelines, and sector-specific rules, and US companies must localise privacy policies, vet vendors, and harden defences to stay compliant and
12 min read
Slide illustrating Japan’s data-licensing toolkit: contract clauses, trade-secret tests, and “Limitedly Provided Data” protection under the UCPA.
Intellectual Property Law

Licensing Data in Japan: Intellectual Property Considerations and Protection Strategies

TL;DR Japanese copyright and patent laws rarely cover raw datasets, so data-licensing relies on contracts plus the Unfair Competition Prevention Act. Trade-secret rules help when data remains confidential, while the 2018 “Limitedly Provided Data” regime protects commercially shared datasets managed by login controls. Combine tight licence terms with technical
10 min read
Slide summarising CJEU Meta ruling: GDPR-competition crossover, narrowed legal bases, consent tests and compliance checklist for dominant digital platforms.
Data Privacy

Competition Law Meets Data Protection: What the CJEU’s Meta Ruling Means for GDPR & Dominance Cases

TL;DR * The CJEU’s 4 July 2023 Meta ruling lets competition authorities factor GDPR breaches into abuse-of-dominance cases while stressing cooperation with DPAs. * It sharply narrows “contractual necessity” / “legitimate interests” for advertising data-combination and raises the bar for valid consent by dominant platforms. * Global companies must re-audit cross-service data
6 min read
Slide summarising Japan’s camera-surveillance rules: APPI personal-information scope, 2023 facial-recognition guidance, signage & retention best practices.
Data Privacy

Camera Surveillance in Japan: APPI Rules, Facial-Recognition Guidance & Compliance Tips for US Businesses

TL;DR * Identifiable camera images are “personal information” under Japan’s APPI; capture alone triggers obligations. * Facial-recognition systems face stricter transparency and purpose-limitation tests under PPC 2023 guidance. * Clear signage, narrowly defined purposes, robust security measures and retention limits are essential for compliance. Table of Contents 1. Defining “Personal Information”
11 min read
Slide summary: Japan’s disinformation approach—platform transparency, takedown reforms, free-speech safeguards, business obligations
Regulatory Updates

Tackling Disinformation Online: Japan's Approach and Free Speech Considerations

TL;DR: Japan tackles online disinformation mainly through process-focused platform transparency and enhanced notice-and-takedown rules, sidestepping direct content bans to safeguard constitutional free speech. Businesses must strengthen moderation workflows, ad-screening, and disclosure compliance. Table of Contents 1. Introduction 2. The Nature and Impact of Online Disinformation in Japan 3. Japan’
9 min read
Slide summary: Japan’s revised Provider Liability Act—7-day takedown, single-step sender disclosure, updated safe harbours
Cybersecurity

Content Moderation and Intermediary Liability in Japan: Understanding the Revised Provider Liability Act

TL;DR: Japan’s revised Provider Liability Act modernises notice-and-takedown, streamlines sender-disclosure into a single-step court order, and clarifies intermediary safe harbours. Platforms now face tighter deadlines, record-keeping duties, and potential statutory damages—requiring robust moderation workflows and legal triage. Table of Contents 1. Introduction: A New Era of Platform
10 min read
Slide summary: Constitutional and privacy challenges to Japan’s DBS Law—Article 13 proportionality, due-process safeguards, business risks
Constitutional Law

Constitutional Challenges on the Horizon? Privacy Concerns Surrounding Japan's DBS Law

TL;DR: Critics say Japan’s DBS Law risks over-collection and indefinite storage of criminal records, potentially violating Article 13 privacy rights. Constitutional challenges will likely hinge on proportionality, purpose limitation, and due-process safeguards. Businesses should prepare for stricter data-handling obligations and possible injunction scenarios. Table of Contents 1. Introduction:
9 min read