Mr. Henderson litigates employment, housing, consumer, environmental, education and voting individual and class action cases and has briefed and argued appeals in the appellate courts including the U.S. Supreme Court.
Our commitment to securing justice and providing the best representation possible is reflected in a commitment to diversity within our own firm. At Sanford Heisler Sharp, LLP, we know better than to think the best attorneys look alike, sound alike, think alike, or live alike. What matters is talent, and we hire the best talent available.
As a result, our team more accurately mirrors America. Women, minority, and/or openly gay lawyers make up the majority of our staff. A passion for social justice unites our team - we all work to use the power of law to help create and enforce a more just society.
Thomas J. Henderson is Senior Litigation Counsel for Sanford Heisler Sharp, LLP, in the Washington, DC office.
Mr. Henderson has more than 30 years of experience in a variety of class action and complex litigation across the country. He has litigated class action and individual employment, housing, consumer, environmental, education, voting and other cases, and has briefed and argued appeals in the U.S. Supreme Court, numerous U.S. Courts of Appeal and in state supreme and intermediate appellate courts. He received his law degree and served as an Adjunct Professor of Law at the University of Pittsburgh School of Law.
Mr. Henderson also practices as the principal of the Henderson Law Firm.
Before associating with Sanford Heisler Sharp, LLP, Mr. Henderson was a Partner and later Of Counsel for a law firm in Washington, DC from 2004 to 2008. Before re-entering private practice, from 1990 to 2004, Tom served as Chief Counsel and Senior Deputy Director of the Lawyers’ Committee for Civil Rights Under Law, a national civil rights public interest law firm in Washington, DC. Prior to moving to Washington, Tom was the founder and principal of his own firm in Pittsburgh, PA, from 1983 to 1990. He also began his career in Pittsburgh as an attorney and litigation specialist for Neighborhood Legal Services Association from 1977 to 1983.
Mr. Henderson is admitted to practice law in the District of Columbia and the Commonwealth of Pennsylvania. He is a member of the Board of Directors of the Employee Rights Advocacy Institute for Law & Policy and the Institute for Inclusion. He is also a member of the National Employment Lawyers Association, the American Bar Association and its Center for Professional Responsibility, the Equal Justice Society and the American Constitution Society. For further information about Mr. Henderson’s experience, see his biography.
- Leadership Development Program National Leadership Institute, University of Maryland 2003
- J.D., University of Pittsburgh School of Law, 1977
- B.A., College of Wooster, 1974
- District of Columbia
- Supreme Court of the United States
- U.S. District Courts
- U.S. Courts of Appeal
In July 2012, Sanford Heisler Sharp, LLP filed a $100 million class action lawsuit against Forest Laboratories, Inc., and Forest Pharmaceuticals, Inc. (“Forest”) in federal court in New York, alleging, among other claims, that Forest discriminates against its female Sales Representatives by paying them less than their male counterparts. The Plaintiffs also allege claims of failure to promote, discrimination based on pregnancy and maternity leave, sexual harassment, and retaliation. In 2014, the Court denied Forest’s attempt to dismiss the Plaintiffs’ claims, and in 2015 the Court conditionally certified a class under the Equal Pay Act (EPA).
Sanford Heisler Sharp represents employees who worked at Costco Wholesale warehouses and were subjected to unpaid security “lockdowns” as a routine part of their work day. In December 2010, the U.S. District Court for the Southern District of California certified their suit as a state class action in California and a federal conditional collective action nationwide. The court later decertified the action and the case is on appeal to the U.S. Court of Appeals for the Ninth Circuit. On appeal, plaintiffs claim that the court misapplied the law and deprived employees of any opportunity for relief from Costco’s wage violations.
In July 2012, David Sanford, a partner and founder at Sanford Heisler Sharp, a leading national public interest law firm, received a decision from the U.S. Equal Employment Opportunity Commission (EEOC) on a class action appeal filed in 2007. The decision gives the green light for certification of a class complaint originally filed in July 1994, asserting that African-Americans are systematically discriminated against based on race by the U.S. Marshall’s Service (USMS).
Sanford Heisler Sharp, LLP represented a number of individual homeowners and a condominium association in claims against developers and lenders for the marketing, sale, and financing of apartments converted to condominiums in Southeast DC. The case charged that the developers and lenders violated the D.C. Consumer Protection Procedures Act (CPPA) by failing to disclose substandard construction and property conditions, inflated appraisal values, and that property inspections and other safeguards required for FHA loans had been ignored in selling and making loans for the purchase of these condominium units. Resolving the case required an appeal to the District of Columbia Court of Appeals resulting in a decision setting new precedent in interpreting the duties of merchants to disclose material facts to consumers under the CPPA. Following that decision and on the eve of trial, a settlement was reached.
- Named 2018 Martindale-Hubbell Top Rated Lawyer
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