Hogan Lovells US LLP

Jonathan L. Diesenhaus

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Jonathan Diesenhaus advocates for companies and professionals in life sciences, health care, and other regulated industries in civil, criminal, and administrative enforcement matters. Jonathan helps clients respond quickly and efficiently to government investigations and internal compliance complaints – evaluating allegations, reviewing evidence, assessing risk, and strategizing to achieve the most appropriate results.

Jonathan has been prosecuting and defending health care and government program fraud cases for over 25 years and is a leading False Claims Act litigator. He defends qui tam cases brought by whistleblowers and the government in federal courts across the United States.