April Hu is a senior patent agent at Changtsi. She has more than 10 years of work experience in Chinese patent practice. She has been practicing in a variety of technical fields, such as chemistry, pharmacy, materials, semiconductor devices and display. Over the past decade, April has worked on a large volume of projects, including more than 500 Chinese patent applications, about 50 PCT applications, over 300 OA responses, and plenty of cases before Patent Reexamination and Invalidation Board. Other than patent prosecution, April also provides consultation for both domestic and foreign clients. Due to both her rich experiences and PhD degree on Chemistry, April has become one of our leading patent professionals, and her work has been highly recognized by her clients.