She prepares and prosecutes patent applications, including those related to chemical arts and medical devices. Mrs. Matthews also prepares opinions for clients regarding the patentability, validity, and infringement of United States patents. She has worked on diverse intellectual property litigation issues, including patent infringement, trademark infringement, trade secrets, and copyrights. Mrs. Matthews has represented clients on both sides of patent infringement suits, including non-practicing entities enforcing patents and defendants accused of patent infringement.