Marissa Moshell Mulligan is an associate in the Los Angeles office of Gibson, Dunn & Crutcher. She practices in the firm’s Litigation Department, and in its Media, Entertainment & Technology, and Appellate and Constitutional Law Groups.

Marissa has represented clients in complex commercial litigation in both the trial courts and on appeal.  She has experience litigating all stages of disputes, including in the areas of breach of contract, profit participation, and defamation.

Marissa has been recognized by Best Lawyers: Ones to Watch® in America for Entertainment and Sports Law (2024). She was recognized as a “Rising Star” by Super Lawyers® (2023).

Recent representative matters include:

• Representing AMC in profit participation and breach of contract litigations concerning the television series The Walking Dead.
• Representing Rachel Maddow, MSNBC, NBCUniversal, and Comcast in a defamation case brought by the owner of a television network.
• Representing Joy Reid in a defamation action.
• Representing Ashley Judd in her action against Harvey Weinstein.
• Representing a major entertainment company in a breach of contract dispute concerning a television series.
• Representing a major entertainment company in a profit participations dispute concerning a television franchise.
• Representing HBO against claims filed by Michael Jackson’s Estate over the documentary Leaving Neverland.
• Representing EMI in a dispute regarding music publishing royalties.

Marissa earned her law degree in 2017 from the Georgetown University Law Center, where she graduated magna cum laude, and was elected to the Order of the Coif. At Georgetown, she served as the Online Development Editor for the American Criminal Law Review and President of the Georgetown Entertainment and Media Alliance, Law Division. Marissa graduated cum laude in 2014 from Georgetown University, where she received her Bachelor of Arts degree in English Literature, Psychology, and Film Studies.

She is admitted to practice law in the State of California, and is admitted to practice law before the United States District Court for the Central District of California and the United States Court of Appeals for the Ninth Circuit.