In the law firmsBrinks, Gilson & Lione added Gang Chen as an associate.Chen is a patent agent registered with the U.S. Patent and Trademark Office and a physicist who holds 15 patents globally. He was previously with Alcatel-Lucent.• Vedder, Price added former assistant U.S. attorney Ryan S. Hedges as a shareholder in its government enforcement and special investigations practice group.Hedges joins the firm after …