I am a registered Patent Attorney and Partner of Chang & Hale LLP - an intellectual property law firm.My practice focuses on counseling clients on a variety of aspects of building intellectual property portfolios. I have experience in technology areas including consumer electronics, computer software and hardware, e-commerce, telecommunication, semiconductor technologies, image processing, smart grid, data compression, computer vision, natural language processing, augmented reality, financial products, business methods, signal processing, analog circuits, radio frequency circuits and signals, autonomous vehicles, and medical devices.