斐锐律师事务所是一家全球性的、以知识产权业务为主的律师事务所。其在美国、欧洲和中国拥有共14个办事处及超过400名律师和技术专家。
斐锐在专利申请、诉讼的业务排名、公司营收等均位列全美专利律所之冠。斐锐每年代表包括中国企业在内的各国客户向美国专利商标局递交超过1500份转化专利申请，并全程提供相应的申请服务。2016-2020年间，斐锐参与了占总量六分之一的美国国际贸易委员会（ITC）337调查案。同时，斐锐代理的联邦法院专利诉讼案达全美最高。专利申请方面，斐锐2021年度美国专利申请总量近9,000件，PCT及外国专利申请总量8,500余件。
斐锐律师团队以其专业的技术背景著称，团队中有超过100人拥有相关技术领域的博士学位。斐锐的主要客户包括华为、谷歌、苹果、微软、三星、蚂蚁金服、海信、哈佛大学、卡耐基梅隆大学等全球顶尖企业及研究机构。
斐锐的主营业务包括一般知识产权咨询，美国、欧洲及PCT专利申请、专利策略及专利包构建，商标和版权申请，美国地区法院（District Court）及美国国际贸易委员会（ITC）的专利相关诉讼，美国专利商标局（USPTO）下属的专利审判及上诉委员会（PTAB）的专利复审程序（Post-grant），商业秘密诉讼，以及一般法律咨询服务。
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