Suite 400 1420 K St., N.W. Washington, D.C. 20005 Telephone: (202) 659-2930 Facsimile: (202) 887-0357 (202) 331-7519 (202) 887-5155   Email: correspondence@kqhpatentlaw.com   Established in 1970, the Kratz, Quintos, and Hanson law firm has been providing clients with high quality legal services and is now well recognized for our pioneering work in making the U.S. patent system more accessible to foreign clients. We are proud of our achievement and remain an international IP practice dedicated to our original and new clients.