Mary-Christine "M.C." Sungaila

Mary-Christine "M.C." Sungaila

Newport Beach, CA recognized lawyers icon Recognized in Best Lawyers since 2010
Complex Appellate Litigation Group LLP

18 Best Lawyers awards

Complex Appellate Litigation Group LLP logo

Awarded Practice Areas

Appellate Practice

Biography

Ms. Sungaila’s appellate work, which focuses on complex tort cases raising cutting-edge issues, has helped define the scope of the duty to warn sophisticated users of product hazards, set the guidelines for admitting expert testimony at trial, and overturned multimillion dollar judgments.

Ms. Sungaila has also consistently helped secure important rights for women and girls internationally, nationally, and throughout California. Ms. Sungaila has been pro bono counsel of record for amici in, or consulted on, over 17 women’s and civil rights cases before the United States Supreme Court (see, e.g., United States v. Lanier (1997) 117 S.Ct. 1219; Davis v. Monroe County Board of Education (1999) 526 U.S. 629), the Inter-American Commission, the Inter-American Court of Human Rights, and the California Supreme Court and Courts of Appeal.

She has contributed to and consulted on two CEB treatises on California writ practice. Her various articles on effective amicus briefing, appellate brief writing, and gender issues have been cited in over 25 law review articles, treatises, and blogs. Ms. Sungaila has also contributed posts as an invited guest blogger on the ABA Top 100 Blawg site IntLawGrrls and as the first West Coast guest blogger for the Toxic Tort Litigation Blog.

She has received multiple awards and recognition for her work, including listings in the Best Lawyers of America (2010) and the Top 50 Southern California Female Super Lawyers (2008 through 2010). She has been named one of California’s Top 75 women litigators by the Los Angeles and San Francisco Daily Journal and one of the Top 25 lawyers in the Valley by the San Fernando Valley Business Journal. She has been profiled in the Los Angeles Times, National Law Journal, Stanford Magazine, and the Stanford Professional Women of Los Angeles Newsletter. Her expert commentary has appeared in a variety of publications ranging from the ABA Journal and National Law Journal to the Los Angeles Times and USA Today.

Prior to joining Horvitz & Levy, Ms. Sungaila was a Litigation Associate with Irell & Manella, and held judicial clerkships with the Hon. Ferdinand F. Fernandez, U.S. Court of Appeals, Ninth Circuit, and the Hon. Alicemarie H. Stotler, U.S. District Court, Central District of California. She received her Bachelor of Arts with multiple honors from Stanford University and her Juris Doctor from the University of California at Los Angeles.
Complex Appellate Litigation Group LLP

18 Best Lawyers awards

Complex Appellate Litigation Group LLP logo

Overview

  • The University of South Carolina School of Law, J.D., graduated 1991
  • University of California - Los Angeles, graduated 1991
  • Stanford University, graduated 1988

  • California, The State Bar of California

  • Women Lawyers Assn of LA - Board Member and Chair, Amicus Briefs (2000-2009)
  • International Association of Defense Counsel - Vice-Chair, Appellate Practice Committee; Chair, Amicus Briefs

  • United States Court of Appeals
  • United States District Court
  • California, The State Bar of California
  • Women Lawyers Assn of LA - Board Member and Chair, Amicus Briefs (2000-2009)
  • International Association of Defense Counsel - Vice-Chair, Appellate Practice Committee; Chair, Amicus Briefs
  • The University of South Carolina School of Law, J.D., graduated 1991
  • University of California - Los Angeles, graduated 1991
  • Stanford University, graduated 1988
  • United States Court of Appeals
  • United States District Court

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2021 - Appellate Practice Lawyer of the Year Badge - 2018 - Appellate Practice Lawyer of the Year Badge - 2015 - Appellate Practice
Named "Lawyer of the Year" by Best Lawyers® for:
  • Appellate Practice, Orange County (2021)
  • Appellate Practice, Orange County (2018)
  • Appellate Practice, Orange County (2015)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Appellate Practice
Additional Areas of Practice:
  • Commercial Litigation
Special Focus:
  • Litigation
Awards:
  • Top 75 Women Litigators in California (Daily Journal newspaper, 2005)

Case History

Cases
  • Davis v. Monroe County Board of Education (1999) 526 U.S. 629
In this landmark case, the U.S. Supreme Court declared that a school district could be held liable for student-on-student sexual harassment. Ms. Sungaila prepared an amicus brief for NOW Legal Defense and Education Fund and others.
  • Lockheed Litigation Cases (2004) 115 Cal.App.4th 558
Ms. Sungaila argued and took the lead on briefing this toxic tort case, in which the Court of Appeal set forth the standards for admitting expert testimony at trial. Ms. Sungaila represented defendants ExxonMobil and Union Oil Company of California (now Chevron).
  • Dee v. PCS Property Management (2009) 174 Cal.App.4th 390
Ms. Sungaila argued and took the lead in briefing this appeal, one of a string of wins in which she has established the standards for admitting expert testimony at trial in California. The Court of Appeal in Dee affirmed the trial judge’s exclusion of expert testimony in a case brought by former apartment tenant for alleged toxic mold injuries.
  • Johnson v. American Standard (2008) 43 Cal.4th 56
In Johnson, the California Supreme Court adopted the sophisticated user standard to negate a manufacturer''s duty to warn of a potential danger posed by a product where the plaintiff has, or should have had, advance knowledge of a product''s inherent hazards. Ms. Sungaila prepared the lead amici curiae brief for the U.S. Chamber of Commerce, American Chemistry Council, ExxonMobil, and three other leading companies.
  • Cotton Fields Cases (Inter-American Court of Human Rights 2009)
A groundbreaking decision called "one of the most important legal victories for international women’s rights in decades" by Human Rights USA. The Inter-American Court of Human Rights in Costa Rica held Mexico liable for the unsolved killings and disappearances of young women in Ciudad Juarez. At plaintiffs’ invitation, Ms. Sungaila wrote an influential amicus brief for Amnesty International and 50 other organizations and professors.

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