Wiederholt & Rickert Partners, LLC generally does business under the names Don Rickert Research & Design™ and Don Rickert Musical Instruments™. Don Rickert, Ph.D., IDSA is the Managing Partner (Owner) of the parent company and all of its divisions. Don Rickert Research & Design™ focuses on: • Patent Litigation Expert Services: Generally for high-profile/high stakes cases that have reached either the U.S. District Court or U.S. International Trade Commission (ITC) Court level. • Design Research (Qualitative and Quantitative, including Usability Evaluation) • Management consulting in the areas of New Product Design (NPD), User Experience (UX) and Human Factors/Ergonomics • Design and Fabrication of product concepts and custom "one-off" products.