Keith J. Zimmerman represents both private and
public sector labor unions in contract negotiations, representation cases,
unfair labor practice proceedings, discipline and discharge cases, interest and
rights arbitrations, and in impasse and fact finding proceedings. He has a wide range of experience in both
civil and criminal litigation, having appeared on behalf of his clients before
administrative agencies, in district and circuit trial courts, and in
Maryland’s appellate courts.
Mr. Zimmerman graduated from Cornell University in
1977, earning a bachelor’s degree in Industrial and Labor Relations. He graduated from Antioch School of Law in
1980. While in law school he clerked for
the National Labor Relations Board’s Division of Judges. He is admitted to practice in Maryland and
the District of Columbia.
Zimmerman presently serves as Chair-Elect of the Maryland State Bar
Association Labor and Employment Law Section Council. Mr. Zimmerman frequently
speaks at labor organization meetings on a variety of topics including
educators’ rights in the workplace and social media. He has been recognized in Maryland Super Lawyers® magazine since
2007. He is listed in The Best Lawyers in America® in the
practice area of Labor Law - Union. He
was designated by Best Lawyers® as
one of its “Lawyers of the Year” for Employment Law – Individuals (2013,
Sinai Hospital of Baltimore, INc. v. Department of Employment and Training, 309 Md. 28, 522 A.2d 382 (1987). — During a strike of hospital employees, permanently replaced strikers applied for unemployment. The hospital claimed that the strikers should be disqualified from receiving unemployment insurance benefits because they voluntarily quit their employment when they went on strike. Successfully argued to the Maryland Court of Appeals on behalf of striking employees that they should not be disqualified from receiving benefits.
Patterson Park Public Charter School, Inc., v. Baltimore Teachers Union, 399 Md. 174, 923 A.2d 60 (2007) — Public charter school applied to Maryland State Board of Education for waivers of, among other things, the collective bargaining rights of employees assigned to the school. The State Board of Education sided with the charter school. Successfully argued t o the Maryland Court of Appeals on behalf of the Baltimore Teachers Union that the State Board of Education could not grant waivers of collective bargaining rights, thereby protecting the wages, hours, and working conditions that were negotiated by the Union.
Department of Human Resources , Baltimore Department of Social Services v. Hayward, 426 Md. 638, 45 A.3d 224 (2012) — Successfully represented public school teacher and aide before the Maryland Court of Appeals to guarantee rights of educators to appea l"unsubstantiated" findings of child abuse was even though the teacher and aide were not identified in a central registry.