Attorney Advertising. Prior results do not guarantee a similar outcome. Gibson, Dunn & Crutcher LLP is a leading international law firm that advises clients on significant transactions and disputes around the world. Known for excellence in the practice of law, Gibson Dunn consistently ranks among the world’s top law firms in industry surveys and major publications. The firm is distinctively positioned in today’s global marketplace with more than 1,200 lawyers in 18 offices: Beijing, Brussels, Century City, Dallas, Denver, Dubai, Hong Kong, London, Los Angeles, Munich, New York, Orange County, Palo Alto, Paris, San Francisco, São Paulo, Singapore, and Washington, D.C.