As of 2022, Winterfeldt IP Group is operating as a fully virtual firm based in the Washington, DC area. Please use the address above for hard copy correspondence and other packages. We are always glad to meet with current and prospective clients who are visiting the DC area, as well as to travel to your locations nationally and internationally. If you are planning a trip to DC, please feel free to reach out to us at wipg@winterfeldt.law for suggestions and assistance with accommodations, entertainment, or any other aspects of your stay.