Mark A. Tidwell is a partner in the Intellectual Property Practice Group in the Houston office. He focuses his practice on prosecution, acquisition, licensing, divestiture and enforcement of patent rights, trademark rights, trade secrets.

Mark Miller is a partner in O’Melveny’s San Francisco office and a member of the Intellectual Property and Technology Practice within the Litigation Department.

Mark Waddell has practiced in the areas of intellectual property and technology for more than 25 years. He litigates pharmaceutical and chemical patent disputes, with particular focus on Hatch-Waxman issues and ITC proceedings.

Mark G. Chretien focuses his practice in the areas of acquisition, maintenance and enforcement of patent, trademark, copyright and related intellectual property rights.

Mark Matuschak is a partner in the firm's Litigation/Controversy Department, and a member of the Intellectual Property Litigation and Appellate and Supreme Court Litigation Practice Groups. He joined the firm in 1985.

Mark H. Churchill is an attorney in Holland & Knight’s Washington, D.C., and Northern Virginia offices, and a member of the firm's Litigation and Dispute Resolution Practice.