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Lee and Li Attorneys-at-Law

Intellectual Property: Patent & Trade Mark Agents

Greater China Region Guide 2026 : Taiwan Jurisdiction

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Lee and Li Attorneys-at-Law

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About

Provided by Lee and Li Attorneys-at-Law

Lee and Li have decades of experience in handling IP matters. We have established various practice groups based on our specializations in Patent Enforcement, Trade Secret Protection, and Dispute Resolution; Patent Prosecution and Maintenance; Patent Drafting and Global Patent Protection; Patent Search, Patent Validity, and Infringement Assessment; Trademark; Copyright Enforcement, Maintenance, and Dispute Resolution; Trademark Dispute Resolution; and Global Trademark and Copyright Protection.

Chambers Review

Provided by Chambers

Intellectual Property: Patent & Trade Mark Agents - Taiwan Jurisdiction

Band 1

What the Team is Known For

Lee and Li Attorneys-at-Law houses a deep bench of practitioners with a commanding presence in the IP market, focusing on patent infringement and trade mark disputes. The team is particularly well equipped to handle the full spectrum of patent work, including patent harvesting, prosecution strategies and enforcement. It provides a comprehensive offering with noteworthy knowledge of the local and PRC markets. The team also demonstrates enviable expertise in broad IP prosecution and administrative litigation. The firm maintains an impressive client roster embracing household names in the software, automotive and pharmaceutical industries.

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Work Highlights

Provided by Chambers

  • Lee and Li Attorneys-at-Law represented Louis Vuitton Malletier in trade mark opposition proceedings against Lin Da Yuan before the Taiwan Intellectual Property Office.

  • Lee and Li Attorneys-at-Law acted for DSM IP Assets in trade mark revocation litigation against Hysol Huawei Electronics.

Strengths

Provided by Chambers

  • Lee and Li is the standout firm in terms of case-loads for IP litigation.

    Intellectual Property: Patent & Trade Mark Agents respondentGreater China Region

Notable Practitioners

Provided by Chambers

  • Dennis Huang
    Dennis Huang

    Dennis Huang

    Dennis Huang is renowned for his expertise in the IP field. He has deep experience acting in patent litigation and is regularly engaged by international companies. He also provides advice on IP transactions and licensing matters.

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  • Ruey-Sen Tsai
    Ruey-Sen Tsai

    Ruey-Sen Tsai

    Tsai Ruey-Sen stands out with his in-depth experience in trade mark dispute resolution work. His expertise is in high demand, attracting instructions from leading entities in the media sector.

    • Ruey-Sen is probably the most active lawyer who still appears in court.

      Intellectual Property: Patent & Trade Mark Agents respondentGreater China Region
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  • Hsiu-Ru Chien
    Hsiu-Ru Chien

    Hsiu-Ru Chien

    Chien Hsiu-Ru maintains a busy patent prosecution and enforcement practice. She is a skilled adviser to many foreign corporations and offers advice on portfolio management matters.
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  • Roger Chang
    Roger Chang

    Roger Chang

    Roger Chang specialises in IP dispute resolution, offering advice on patent, trade mark and copyright infringement cases. He typically acts for large corporations headquartered in the USA and Europe.

    • Roger is a very famous IP lawyer in Taiwan. He's very professional.

      Intellectual Property: Patent & Trade Mark Agents respondentGreater China Region

    • He has done a lot of litigation cases.

      Intellectual Property: Patent & Trade Mark Agents respondentGreater China Region
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Ranked Individuals at Lee and Li Attorneys-at-Law (4)

Taiwan Jurisdiction

Members

Provided by Lee and Li Attorneys-at-Law

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