Oblon, McClelland, Maier & Neustadt, L.L.P. (commonly known as Oblon) is an American intellectual property law firm headquartered in Alexandria, Virginia. Founded in 1968, the firm specializes in intellectual property law, including patents, trademarks, copyrights, and related litigation. The firm has established itself as one of the largest intellectual property practices in the United States, particularly known for its expertise in patent prosecution and post-grant proceedings before the United States Patent and Trademark Office (USPTO). The firm represents numerous domestic and international clients, including major corporations from Japan, Europe, and other regions. Oblon has been particularly successful in developing strong relationships with Japanese companies, becoming one of the leading U.S. firms for Japanese patent work. The firm’s proximity to the USPTO’s headquarters in Alexandria has provided strategic advantages for its practice. Oblon’s attorneys include numerous individuals with advanced technical degrees in various scientific and engineering fields, allowing the firm to handle complex technological matters across diverse industries. The firm regularly handles matters in fields such as electronics, telecommunications, biotechnology, chemical engineering, and mechanical engineering. The firm also maintains a significant trademark practice and provides counseling on IP portfolio management and strategy.