Robert LeChevallier Buckley LeChevallier PC, Lake Oswego Robert LeChevallier, Buckley LeChevallier PC, Lake Oswego. Mr. LeChevallier practices business law, business formation, estate planning, real estate law, corporate financing, and securities law, with a particular focus on estate planning for business owners. He is a member of the Oregon State Bar Business Law, Securities Regulation, Estate Planning and Administration, and International Law sections. Mr. LeChevallier also serves as corporate counsel for a variety of manufacturing and service companies. (12/09)