Dr. Chen's practice focuses on patent prosecution, client counseling, opinion and litigation and encompasses all fields of the biotechnology and pharmaceutical industries. Dr. Chen has a significant amount of experience in preparing and prosecuting biotechnology and pharmaceutical patents. He has managed entire patent portfolios for biotechnology clients, advising the clients on maximizing their own patent positions and designing patent strategy in dealing with other entities' patents. Dr. Chen also has been litigating biotechnology patents, especially in the area of in vitro diagnostics. Prior to joining the firm, Dr. Chen practiced patent law at a national intellectual property boutique firm and a major California general practice firm.

• Successfully reversed a summary judgment of infringement of a biotechnology patent for a client and eventually obtained a jury verdict of non-infringement for the client. (Abbott v. Syntron Bioresearch)
  
  
• Successfully opposed EP 0 560 411 B1 in European Patent Office.
  
  
• Successfully convinced the U.S. Patent Office to allow broad claims for an application that had been prosecuted for 10 years. (U.S. Patent No. 6, 627, 610 B1)