Penny Gilbert and Siddharth Kusumakar discuss patents in Lexology Published By Dr Penny Gilbert, Siddharth Kusumakar 04/05/2018 19:44:42 Penny Gilbert and Siddharth Kusumakar discuss patents in Lexology Partner Penny Gilbert and senior associate Siddharth Kusumakar discuss patents in Lexology – find their answers to all manner of patent-related questions here and here.