He has carried the designation of AV PREEMINENT LAWYER (the highest rating attainable from the firm of Martindale Hubble) for over thirty years. He has tried lawsuits for clients involving the full spectrum of factual disputes and legal issues ranging from major personal injury cases to contested probate, trust and estate matters. The major emphasis of his practice, however, has been on commercial and business cases, including major issues involving claims involving the violation of intellectual property rights. He has also performed legal services for clients doing business, or seeking to do business, in several European countries. He has been admitted to practice to litigate cases for clients in Arizona, California, Colorado, Indiana, Maryland and Wyoming.