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Internal Whistleblowing and Labor Issues: Insights from the 2025 Revision of the Whistleblower Protection Act

In this session, legal and compliance experts will share practical insights on how to respond when workplace complaints involve HR disputes, power harassment claims or disciplinary action.

Duration: 45 minutes

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A man drinks from a mug while working on a laptop at a kitchen table with a young child on his lap. A bowl of fruit and a bowl of cereal are on the table in a bright, modern home.

What you’ll learn about the Whistleblower Protection Act revisions

Japan’s 2025 revision of the Whistleblower Protection Act strengthens safeguards for employees and raises new risks for employers. In practice, internal whistleblowing systems and labor issues often overlap – and mishandling them can now carry serious legal and reputational consequences.

The amended Whistleblower Protection Act presumes that dismissals or discipline within one year of a report are retaliatory. Companies that punish employees for reporting may face criminal penalties. While action against misconduct such as power harassment may still be required, HR and compliance teams must proceed with caution.

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Get real-world advice you can apply immediately

Key takeaways include: 

  • How whistleblowing and labor issues typically intersect in Japanese workplaces 
  • Legal implications of the 2025 amendments, including the presumption of retaliation 
  • Practical approaches for handling power harassment and related complaints 
  • Steps to align HR, compliance and legal functions when managing cases 
  • Strategies to manage sensitive cases fairly while staying compliant with the new law
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A woman standing outdoors at night in a city, smiling while looking at her phone and holding a drink, with tall buildings and bright lights in the background.

Who should attend

This webinar is designed for: 

  • HR leaders managing employee relations and workplace investigations 
  • Compliance and legal professionals overseeing internal reporting programs 
  • Executives and managers seeking to understand their obligations under the revised law
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Meet the presenters

  • A man in a suit and striped tie, wearing glasses, with short hair and a slight smile, poses against a plain light background.

    Kengo Nishigaki

    Partner, Attorney at Law

    New York State Bar Association GIT Law Office

    A man in a suit and striped tie, wearing glasses, with short hair and a slight smile, poses against a plain light background.

    Kengo Nishigaki

    Partner, Attorney at Law

    New York State Bar Association GIT Law Office

    Kengo Nishigaki founded GI&T Law Office LC in 2020. Before then, he worked for Baker & McKenzie from 2000 to 2020, being a partner of the dispute resolution group for longer than 10 years.  He also belonged to Corporate M&A Group to support clients for international M&A and joint venture transactions. From 2004 to 2005, he worked at Baker & McKenzie’s Chicago office where he assisted a case related to compliance with the Foreign Corrupt Practices Act and formation of joint venture in the chemical industry. He is admitted to practice in Japan and New York. Kengo was partially seconded to ZimmerBiomet at its Japanese subsidiary, a global medical device company to support their in-house work from 2016 to 2017.

  • A man in a navy suit with a white shirt and bright red tie stands smiling in front of a plain gray background. He has short black hair and a trimmed beard.

    Nick Mitsuya

    Japan Country Manager

    NAVEX

    A man in a navy suit with a white shirt and bright red tie stands smiling in front of a plain gray background. He has short black hair and a trimmed beard.

    Nick Mitsuya

    Japan Country Manager

    NAVEX

    Nick brings over 25 years of leadership experience in the high-tech industry with a strong emphasis on sales, commercial execution, and business growth in Japan. Mitsuya holds a degree in Economics from Ritsumeikan University, Kyoto.

Gain the insights you need to meet the new expectations for whistleblowing in Japan.

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