• Tradition &

    Seiwa’s history guides us to tomorrow.

  • As Your Partner

    Your success is our success.
    We make your vision come true.

  • As a Team

    Think together, work together, grow together.

About Our Firm

Our office, SEIWA PATENT & LAW, conducts general business in a wide range of fields, including intellectual property matters in Japan and abroad. The office, which consists of about 300 members, including about 100 patent attorneys and 5 attorneys-at-law, operates under a partnership system.

Areas of Practice

Our office is engaged in IP business in relation to the acquisition of IP rights (patents, designs, trademarks, etc.), disputes and negotiations, and consulting, in various technical and business fields. We also provide and dispatch information on IP systems and practices in Japan and overseas.


Our highly-specialized patent attorneys and attorneys-at-law work closely with each other to provide comprehensive support in a wide range of technical fields and jurisdictions.

IP Information

SEIWA IP NEWS provides timely information on domestic and foreign intellectual property rights,
such as domestic and foreign intellectual property rights systems / practices, precedents, and statistics.