Karen Green is a partner in the firm's Litigation/Controversy Department and a member of its Investigations and Criminal Litigation, False Claims Act and Life Sciences Practice Groups. She co-chaired WilmerHale’s Litigation Department from 2004 to 2007, and chaired Hale and Dorr’s Litigation Department from 2002 to 2004.
Ms. Green's practice concentrates on complex business litigation, including the defense of white-collar criminal and False Claims Act litigation. She has extensive experience representing companies in high-stakes government investigations and litigation of alleged fraud, bribery, conspiracy and violations of federal statutes, including the Anti-kickback Statute, the Food Drug and Cosmetic Act, the Foreign Corrupt Practices Act, the Export Control Act and securities laws. At the request of corporate clients, she also has conducted numerous internal investigations of alleged wrongdoing and has advised their boards on compliance issues.
From 1993 to 1996, Ms. Green was the Deputy US Attorney for the federal District of Massachusetts. She supervised the investigation and prosecution of criminal cases and the litigation of civil cases on behalf of the United States. She also led the office's civil and criminal health care fraud enforcement program and served on the Department of Justice's National Health Care Fraud Working Group.
Ms. Green first joined legacy Hale and Dorr as a litigation associate in 1982. From 1984 through 1986, she served as an assistant US attorney in the Civil Division of the US Attorney's Office in Boston. She was appointed deputy chief of the Civil Division in June of 1986, and successfully obtained summary judgment on behalf of the EPA in a lawsuit compelling the cleanup of Boston Harbor. In January of 1987, Ms. Green returned to Hale and Dorr. She was elected to junior partnership in 1988, and to senior partnership in 1990.
In 1993, Massachusetts Governor William F. Weld appointed Ms. Green his chief of staff. She co-chaired governor-elect Weld's transition team for the Executive Office of Health and Human Services in late 1990 and early 1991.
Ms. Green is admitted to practice in the Commonwealth of Massachusetts, the US District Court for the District of Massachusetts, the US Court of Appeals for the First Circuit, the US Court of Appeals for the Federal Circuit and the US Supreme Court.
Ms. Green received her JD, cum laude, from Harvard Law School, and is a magna cum laude graduate of Harvard and Radcliffe Colleges, where she was elected to Phi Beta Kappa. She served as a law clerk to US District Court Judge W. Arthur Garrity, Jr.