Allison M. Day

Allison M. Day

Allison Day (she/her/hers) is a litigation associate in the San Francisco office of Munger, Tolles & Olson.

Ms. Day focuses her practice on complex civil litigation and has represented clients in a wide range of industries, including technology, transportation, and education.  She has significant experience managing cases involving complex facts, regulatory schemes, and expert issues.  She has represented clients at all stages of litigation in federal court, state court, and private arbitration.

Before attending law school, Ms. Day taught high school math in Washington, D.C., as part of the Teach For America program.  Ms. Day’s pro bono practice reflects her ongoing commitment to students and immigrant communities, including representing Native American students seeking access to adequate public education and a detained individual seeking immigration relief in appellate and habeas proceedings.  She is also a member of the advisory board for OneJustice.

Prior to joining the firm, Ms. Day served as a law clerk to Judge Susan L. Carney of the U.S. Court of Appeals for the Second Circuit and Judge Carol Bagley Amon of the U.S. District Court for the Eastern District of New York.


Key Representations

  • A multinational technology company in an expedited arbitration involving a complex series of contract and accounting disputes.  
  • A major freight railroad in obtaining an injunction on preemption grounds protecting a construction project in a key interstate corridor and successfully defending the injunction on appeal.
  • The University of California in successfully defending against a writ petition seeking disclosure of applicant and student data under the California Public Records Act on privacy grounds.