Attorney Profiles

John O'B Clarke, Jr.

Highsaw, Mahoney & Clarke, P.C.
4142 Evergreen Drive
Fairfax, Virginia 22032-1018

Communication Center

Phone: (202) 296-8500
Fax: (202) 296-7143
Web site:

Areas of Practice
Bar Admissions
Representative Cases

Mr. Clarke is the primary litigator for the firm. Before joining the firm in 1974, he was an Assistant United States Attorney for the District of Columbia. Since joining the firm, he has specialized in representing rail and airline labor organizations in handling matters under the Railway Labor Act and related statutes before the courts and administrative agencies. He has extensive experience in handling injunction applications, trials, appeals, and matters before the Supreme Court of the United States where he has argued five cases, including BN v. BMWE, 481 U.S. 429 (1987), in which the Court ruled that the RLA does not prohibit secondary picketing. He has also had extensive experience in handling rail and airline reorganizations, as well as arbitrations before RLA adjustment boards, including employee protection and seniority integration issues. He is also a frequent lecturer in the area of the Railway Labor Act and employee protection.

Current Employment Position(s):


Year Joined Organization:


Areas Of Practice:

Railway Labor Act
Rail and Airline Reorganizations
Complex Civil Litigation
Employment Discrimination Cases
Employee Protection Matters
Seniority Integration

Bar Admissions:

Illinois, 1968
District of Columbia, 1969
New York, 1969
Virginia, 1979
U.S. Supreme Court, 1973


Northwestern University School of Law, Chicago, Illinois, 1975
LL.M.Crim., Master of Law(s) in Criminal Law

Georgetown University Law Center, Washington, District of Columbia, 1968
J.D., Doctor of Jurisprudence
Honors: Editor, Georgetown Law Journal, 1967-1968

Mount Saint Marys College, Emmitsburg, Maryland, 1965
B.S., Bachelor of Science

Representative Cases:

Pittsburgh & Lake Erie R.R. v. RLEA, 491 U.S. 490 (Sup. Court of U.S. 1989)

Burlington Northern R.R. v. BMWE, 481 U.S. 429 (Sup. Court of U.S. 1987)

Norfolk & Western Ry. v. BRS, 164 F.3d 847 (U.S. Ct. of App. 4th Cir. 1998)

LeBlanc v. Cahill, 153 F.3d 134 (U.S. Ct. of App.4th Cir. 1998)

RLEA v. NMB, 29 F.3d 655 (D.C.Cir. 1994)

RLEA v. United States, 987 F.2d 806 (D.C. Cir. 1993)

New York Dock Ry. v. United States, 609 F.2d 83 (2d Cir. 1979)

Professional Associations and Memberships:

American Bar Association

Past Employment Positions:

District of Columbia, Assistant United States Attorney, 1969 - 1974

Birth Information:

August 23, 1943, Brooklyn, New York
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