Department profile
Aoyama & Partners

Intellectual Property: Domestic

Asia-Pacific Guide 2026 : Japan


Aoyama & Partners

Rankings

Chambers Review

Provided by Chambers

Intellectual Property: Domestic - Japan

Band 4

Band 4


What the Team is Known For

Aoyama & Partners is a boutique patent prosecution firm with a robust practice. The firm is also engaged in IP infringement cases, including for patents, trade marks and designs, as well as licensing agreements. Its expertise includes chemistry, life sciences, engineering and technology.

Work Highlights

Provided by Chambers

  • Aoyama & Partners represented Qipack in a lawsuit brought by PACRAFT seeking a declaratory judgement confirming non-infringement, successfully settling the matter.

Strengths

Provided by Chambers

  • Aoyama & Partners is highly experienced in complex, international cases that require a strategic and aligned approach, with big teams available whenever you need them.

    Intellectual Property: Domestic respondentAsia-Pacific
  • They are able to communicate in a transparent and straightforward style, adapting to US and European communication styles and making the discussion and collaboration easier and more efficient.

    Intellectual Property: Domestic respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Band 1Hiroshi Tamura
    Band 1Hiroshi Tamura

    Hiroshi Tamura

    Hiroshi Tamura handles patent prosecution and litigation for clients in the electronics, medical device and pharmaceutical industries.

    • He is an extremely strategic, experienced litigator and has a good understanding of the technology. He is also very open to other legal cultures in other countries and extremely pleasant to work with.

      Intellectual Property: Domestic respondentAsia-Pacific
    • Hiroshi Tamura is very experienced and thorough, offering attention to details as well as a general overview. He is always perfectly prepared, reliable and very pleasant to work with.

      Intellectual Property: Domestic respondentAsia-Pacific

Ranked Individuals at Aoyama & Partners (1)

Japan

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