Real estate – New German portals aim to win local markets by Katja Riefler in Real Estate 10 Feb 2011 Are there still new concepts to be tested? Looking at the German online real estate market, until recently it was easy to concede to Charles H. Duell, who as commissioner of the U.S. Patent Office back in 1899 said famously, “Everything that can be invented has been invented.” .. Want to know more This article is only available to AIM Group clients. Please subscribe now or log in to view. Share CIRImmomia.deLVZ-Immo.de Katja Riefler Katja Riefler, AIM Group principal and director for Europe, Middle East and Africa, has a broad background working with newspapers, trade associations and online services to shape media companies for the future. She is based in Munich and travels regularly throughout Europe and frequently to the United States.