About Mark T. Ciani

Mark Ciani works on a variety of litigation matters for banks, investors, hedge funds, public and private companies, hospital operators and high-net-worth families. He advises them on a host of different matters from shareholder class action and derivative suits to white-collar cases, real estate disputes and general commercial litigation.

Helping diverse clients with anti-trust litigation

In addition, Mark counsels companies on antitrust issues. These matters involve a range of issues including price fixing, market allocation, group boycotts and other horizontal restraints. He deals with Robinson-Patman Act problems, monopolization, licensing and other intellectual property issues.

Mark also maintains an active pro bono practice, defending gun control laws against Second Amendment constitutional challenges. As part of this practice, he has submitted briefs to the First, Second, Fourth, Seventh, Ninth and Tenth Circuit Courts of Appeals, as well as numerous federal district courts and state courts.

Mark has extensive experience in jury and nonjury trials.

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Practice Focus

  • Commercial litigation
  • Financial services litigation
  • Antitrust and competition
  • Class action and multidistrict
  • Corporate governance litigation
  • False Claims Act litigation
  • Securities litigation and enforcement

Representative Experience

  • Represent numerous institutions, partnerships, hedge funds, investment managers and individuals in highly publicized Ponzi schemes, including Madoff.
  • Represent operator of public hospitals accused of submitting false claims for Medicare and Medicaid reimbursement.
  • Defend insurance company against alleged accounting fraud and bid rigging.
  • Represent medical supply manufacturer in antitrust class action alleging monopolization and exclusive dealing.
  • Defend corporate directors against allegations of breach of fiduciary duties arising from sale of the company.
  • Represent trading and sales personnel of several financial institutions in DOJ, CFTC and SEC investigations of the FX markets.
  • Represent investment advisor in criminal insider-trading charges in the US District Court for the Southern District of New York.