Robyn Shelton » Member Directory Go back to directory. Robyn Shelton Dentons Cohen & Grigsby P.C.Trademark, Copyright, Trade Secret Mailing Address 625 Liberty Avenue Pittsburgh PA 15222 postal Phone: 412-297-4610 Email: robyn.shelton@dentons.comINTERNET Website: Website Website: LinkedIn Categories: Attorney Updated 2 years ago.