Magavern Magavern Grimm LLP, established in Buffalo, New York in 1826, has offices in Buffalo, Kenmore and Niagara Falls, New York. Our firm provides a full range of legal services to businesses, governments, individuals, and not-for-profit organizations. With a tradition of excellence as our heritage, our attorneys' principal areas encompass corporate and general business law, wills and estate planning, elder law, trusts and estates administration, individual and corporate tax planning, health care law, real estate, municipal law, immigration, commercial finance, litigation in all New York state and federal courts, and bankruptcy.