Thomas P. O'Brien

Practice Details

• Firm Information
  Position

  Shareholder

  Firm Name

  Greenberg Traurig, LLP
• Representative Cases & Transactions
  Cases

  Experience: Representative Matters: Led the defense of a medical doctor charged in a $355 million federal health care fraud prosecution. After a three-month trial, the jury fully acquitted Tom's client on all 33 felony counts. All other defendants were convicted on all counts.
  Led the defense of a U.S. Navy admiral in connection with the federal 'Fat Leonard' bribery prosecution, the largest corruption case in the history of the United States Navy. After a four-month trial, the jury could not reach a verdict on any count against Tom's client,
  the court dismissed all charges against the client. The jury convicted all other defendants on all counts.
  Led the defense of an individual charged in the nation's first-ever federal 'birth tourism' prosecution. Tom negotiated a plea agreement where his client pleaded guilty to only two counts of a 28-count indictment. Despite the government seeking a sentence of 33 months imprisonment, Tom secured a sentence of time-served
  minimal supervised release. Tom also recovered for the client several million dollars-worth of assets that had initially been seized by the government in connection with this prosecution.
  Represented an individual investigated by the Department of Justice for allegedly participating in an insider trading scheme. Tom persuaded the DOJ not to indict his client, even though the DOJ indicted
  secured convictions against several other individuals allegedly associated with the scheme.
  Represented an individual in connection with one of the nation's first-ever criminal investigations
  charges under the Foreign Agents Registration Act (FARA).
  Obtained a multimillion-dollar pre-litigation settlement on behalf of a client alleging sexual assault.
  Represented a hospital in connection with an investigation by the Department of Justice
  Office of the Inspector General into potential violations of the False Claims Act
  federal Anti-Kickback Statute. Despite the government's initial dem
  that the hospital pay restitution
  fines totaling millions of dollars, Tom was able to persuade the government to drop the matter against his client.
  Led the defense of a university professor in a high-profile felony prosecution involving alleged labor code violations, which resulted in the charges being dismissed. The case garnered national media attention in what has been described as the first case of its kind.
  Represented a major national services corporation in a Department of Justice investigation concerning allegations that the company violated the False Claims Act. The investigation was closed by the Department of Justice with no charges being brought.
  Led a team to effectively defend a local government entity during a two-year DOJ investigation into allegations of corruption in a billion dollar purchasing project.
  Represented a foreign conglomerate in a high-profile criminal matter involving allegations of international trade secret theft in the Eastern District of Virginia.
  Spearheaded the internal investigation into serious allegations of fraud against a medical device manufacturer. At the conclusion of the investigation, Tom's team made a multihour presentation to the government resulting in the termination of the investigation into the client.
  Assisted in representing a former CEO against allegations that the client engaged in insider trading in connection with a secondary offering. The client was acquitted on all charges at trial.
  Pioneered a novel settlement strategy for a medical device manufacturer to resolve criminal allegations brought against it in connection with alleged Cal/OSHA violations.
  Led a federal trial team to a front-page defense victory for a Los Angeles County sheriff's deputy accused of obstruction of justice, where the jury was unable to reach a verdict on the counts charged.
  Led a team of attorneys in conducting an internal investigation at the request of a Southern California health center. That investigation, since closed, arose out of allegations that employees of the health center accepted improper benefits in exchange for referrals to certain patient facilities in violation of federal
  state anti-kickback statutes.
  Persuaded the Department of Justice not to file fraudulent billing charges against a physician with a successful medical practice. When Tom was brought onto the case, the investigation had been ongoing for several years,
  the government had issued a final plea offer
  expressed its intention to indict the client. Within weeks, Tom
  his team conducted an investigation
  presented new evidence to the Department of Justice. The Department of Justice subsequently allowed the statute of limitations to expire on the charges that it, only weeks earlier, had intended to file.
  Represented the police chief of a local city who faced civil charges filed by the state Attorney General as part of allegations against an entire city council
  several administrators for defrauding taxpayers
  wasting taxpayer monies. In a case described by numerous media outlets as one of the biggest corruption cases in the nation,
  despite the extreme public outcry attacking his client, Tom
  his team convinced the court to dismiss the complaint with prejudice.
  Represented a local airport commission in an investigation by the Federal Bureau of Investigation into allegations of corruption. Within months of being retained in this case, Tom managed to focus the government on the actions of other individuals
  received a letter from the Department of Justice clearing his client.
  The above representations were h
  led by Mr. O'Brien prior to his joining Greenberg Traurig, LLP.
  Government Experience: U.S. Department of Justice, 2000-2009
  U.S. Attorney for the Central District of California, 2007-2009
  Chief, Criminal Division, Central District of California, 2005-2007
  Chief, Civil Rights Division, Central District of California, 2003-2005
  Assistant U.S. Attorney, Central District of California, 2000-2007
  Deputy District Attorney, Hardcore Gang Division, Los Angeles County, 1994-2000
  Military Experience: F-14A Tomcat Radar Intercept Officer, U.S. Navy, 1983-1994
• Additional Links
  https://www.gtlaw.com/en/professionals/o/obrien-thomas-p