Department profile
Chang Tsi & Partners

Intellectual Property: Litigation (PRC Firms)

Greater China Region Guide 2026 : China


Chang Tsi & Partners

Rankings

About

Provided by Chang Tsi & Partners

Managing Partner: Spring Chang

Founding Partner: Simon Tsi

Number of lawyers: 300+

Number of partners: 13

Languages: English, Chinese, Korean, Japanese, German, Greek, Cantonese, etc.

Chang Tsi & Partners is a "National Outstanding Law Firm (nominated by Ministry of Justice of China)" with a strong reputation in intellectual property and litigation.

Since its establishment in 2002, Chang Tsi & Partners has become one of the leading law firms in China. The firm has constantly been referred to as a “The Best IP Law Firm in China”, “China IP Law Firm” and “Tier 1 IP Law Firm of the Year” by various business magazines such as the Chambers & Partners, The Legal 500 Asia Pacific as well as Asialaw Profiles. In 2024, Chang Tsi & Partners was listed as a highest-level AAAAA Patent Agency by the Beijing Patent Attorneys Association.

With over 350 professionals consisting of attorneys at law, patent attorneys and trademark attorneys, Chang Tsi & Partners is based in Beijing with fully-fledged offices in Shanghai and Shenzhen, and branch offices in Guangzhou, Guangxi, Chengdu, Hong Kong, Macau, Taiwan, the United States, Korea, and Europe, while establishing an enviable reputation in Intellectual Property and Litigation.

“Be the best lawyer in China and be the best law firm in China!” is the Chang Tsi & Partners motto. The objective of the firm is to consistently exceed the clients' expectations and always meet their needs.

Clients (23)

  • POP MART
  • MICHAEL KORS
  • 雷允上
  • INTERCONTINENTAL GREAT BRANDS LLC
  • SK ON
  • H&H
  • Johnson & Johnson
  • Volvo
  • Illinois Tool Works Inc
  • Netflix
  • Four Seasons
  • Kering Eyewear
  • 科沃斯
  • 58同城
  • Under Armour
  • HP
  • Citigroup
  • KOHLER
  • Amazon
  • Linked in
  • F1
  • GUINNESS WORLD RECORDS LIMITED
  • 京东方

Industries (10)

  • Manufacturing
  • Semiconductors and integrated circuits
  • Artificial intelligence
  • Telecommunications
  • Design
  • Cultural, Creative & Content Industries
  • Consumer Goods & Branding Industries
  • Biotechnology
  • Cross-border e-commerce
  • Overseas brand protection and portfolio management

Chambers Review

Provided by Chambers

Intellectual Property: Litigation (PRC Firms) - China

Band 4

Band 4


What the Team is Known For

Chang Tsi & Partners fields a solid practice with expertise in trade mark and patent enforcement and prosecution matters. The boutique remains a popular choice among multinational consumer goods brands, well-known technology companies and global pharmaceutical producers. Its clients also benefit from its offering in licensing matters. The firm has on-the-ground teams in multiple cities including Beijing, Shanghai and Shenzhen.

业务优势

铸成律师事务所扎实的业务团队,在商标和专利维权和审查程序事宜上具有专业知识。该精品所仍然是消费品品牌、知名科技公司和全球制药商的热门选择客户亦受益于该团队在许可事宜上的服务。律所在北京、上海和深圳拥有当地团队。

Work Highlights

Provided by Chambers

  • Chang Tsi & Partners represented a home design company in a dispute with a foreign company with regard to copyright, trade mark and patent infringement as well as unfair competition allegations.

  • Chang Tsi & Partners assisted a European client with its licensing agreement with a Chinese university.

  • 铸成师事务所代表一家家居设计公司处理了一起与外国公司之间的版权、商标和专利侵权以及不正当竞争纠纷。

  • 铸成律师事务所协助一家欧洲客户与中国一所大学签订了许可协议。

Strengths

Provided by Chambers

  • Thanks to the firm's well-developed case management system and strict internal procedures, responses are provided very quickly. They are highly dedicated, delivering prompt and accurate advice.

    Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
  • With deep expertise in Chinese IP regulations and solid knowledge of local trade mark practice, the firm excels in navigating China's complex IP landscape.

    Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
  • 因为有完善的案件管理系统和严格的管理制度,所以反馈速度很快。他们很敬业,能快速准确地回复专业的意见。

    Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
  • 凭借对中国知识产权法规的深入了解和对当地商标业务的扎实知识,律所擅长应对中国复杂的知识产权环境。

    Intellectual Property: Litigation (PRC Firms) respondentGreater China Region

Notable Practitioners

Provided by Chambers

  • Eminent PractitionersSpring Chang
    Eminent PractitionersSpring Chang

    Spring Chang

    Spring Chang is widely recognised for her practice in trade marks. She has particular expertise in protection and invalidation work.苍雨春律师凭借其商标业务得到广泛认可。她在知识产权保护和无效工作方面具有特别的专业知识。
    • She is highly professional, extremely experienced and exceptionally capable, with a strong sense of approachability and leadership and a keen ability to recognise and make the best use of talent.

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • Spring is able to identify potential legal risks and business opportunities. She helps clients gain a competitive edge through forward-looking analysis and strategic planning.

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • 苍雨春律师能够识别潜在的法律风险和商业机会,以前瞻性的眼光帮助客户在竞争中占据优势,制定应对策略。

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • 她非常专业,经验非常丰富,能力特别强,具有很强的亲和力和号召力,知人善任。

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
  • Band 5Michael Wu
    Band 5Michael Wu

    Michael Wu

    Michael Wu operates from the law firm’s Shenzhen office. He is a talented patent practitioner who assists both Chinese and multinational clients with IP management and enforcement actions. His expertise encompasses the chemical, engineering and telecommunications sectors.

    吴东亮律师在律所深圳办公室工作。他是一位杰出的专利律师,能够协助中国和跨国客户进行知识产权管理和执法行动。他的专长涵盖化学、工程和电信领域。

    • Michael is very professional and provides us with good service in technology-related cases.

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • Michael Wu is professional and he cares about the clients. He has strong communication skills.

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • 吴东亮律师非常专业,而且关心客户。他的沟通能力很强。

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • 吴东亮律师非常专业,在科技相关问题上为我们提供了优质的服务。

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
  • Up and ComingMichael Fu
    Up and ComingMichael Fu

    Michael Fu

    Michael Fu draws attention for his dexterity in trade mark practice. He is sought after by international luxury brands and household names to combat counterfeits and malicious registrations through opposition, invalidation and litigation proceedings.

    付同杰律师因其在商标业务中的灵巧处理而受到关注。他受到国际奢侈品牌和著名企业的追捧,通过抗辩、无效和诉讼程序打击假冒商标和恶意注册。

    • He has an in-depth understanding of the client's industry and market environment and is able to closely integrate legal services with the client's business strategy to provide valuable legal support.

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • 付同杰律师对客户的行业和市场环境有深入的了解,能够将法律服务与客户的商业战略紧密结合,提供更具价值的法律支持。

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
  • Up and ComingTracy Shen
    Up and ComingTracy Shen

    Tracy Shen

    Tracy Shen is a popular choice among foreign clients dealing with trade mark infringement and unfair competition disputes in China. She is also active in anti-counterfeit proceedings.

    申会娟律师是处理中国商标侵权和不正当竞争纠纷的外国客户的热门顾问选择。她积极参与打击假冒产品的法律程序。

    • She has significant knowledge and helps with our strategy by not only listening to our thoughts but suggesting good strategic approaches generally in China. Her thorough approach is a game changer.

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region
    • 她对我们的战略有着深刻的理解和帮助,她不仅认真倾听我们的想法,还能提出在华战略方面普遍适用的良好建议——她细致周到的方法至关重要。

      Intellectual Property: Litigation (PRC Firms) respondentGreater China Region

Ranked Individuals at Chang Tsi & Partners (4)

China

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