David Liu, a New York attorney and Chinese patent agent, has more than 10 years of legal experiences in both the U.S. and China. David has significant experience representing multinational clients in patent litigation, patent prosecution and trade secret litigation throughout IP Courts, CNIPA and PRB in China, and USPTO and PTAB in the United States. He practices in a large variety of technologies, including telecommunication, computer software and hardware, integrated circuit, artificial intelligence, cloud computing, 3D, medical device, signal processing, image processing, consumer electronics, and automotive industry. David has a bachelor’s degree on computer science and engineering and a master degree on diplomatic study. He graduated from the Pace University School of Law with a JD degree. Before joining Chang Tsi & Partners, David worked for Volpe & Koenig in Philadelphia, King & Wood Mallesons in Beijing for many years. 

David Liu also has rich experience in the filing, prosecution, and enforcement of design patents. He works with both domestic and international clients across various industries and can customize the services to meet the specific needs of individual clients. Using his expertise and knowledge, David helps to prepare and file design patent applications tailored to address the specific requirements in the client’s jurisdiction and ensure the design patent rights are ensured.