O'Donoghue & O'Donoghue LLP is one of the largest and oldest union-side law firms in the United States. Working from offices in Washington, D.C. and Philadelphia, Pennsylvania, O'Donoghue attorneys provide comprehensive legal representation to labor unions, employee benefit plans, and individual workers on a local, regional and national basis.

The Firm's attorneys provide advice and litigation support to their labor union clients in connection with organizing campaigns, collective bargaining negotiations, contract administration, internal union affairs, regulatory matters and a wide range of other issues. Similarly, the Firm's attorneys provide complete assistance to their employee benefit fund clients in plan design and administration, compliance with applicable statutes and regulations, litigation and day-to-day matters. Likewise, the Firm has represented individuals in a number of areas, including the Fair Labor Standards Act, the Employee Retirement Income Security Act and anti-discrimination statutes.

To learn about O'Donoghue's history, please click on Firm History. To learn more about O'Donoghue's practice, please click on Practice Areas. To read about the Firm's attorneys, please click on O'Donoghue Attorneys. For those interested in the work of O'Donoghue attorneys and/or current legal developments, please visit News & Information. If you have questions or would like additional information, please click on Contact Us.





5301 Wisconsin Avenue, NW

Suite 800

Washington, DC 20015

(202) 362-0041

(202) 362-2640(fax)


Constitution Place

Suite 515

325 Chestnut Street

Philadelphia, PA 19106

(215) 629-4970

(215) 629-4996 (fax)


Three Park Place

Suite 301

Annapolis, MD 21401

(410) 263-6474