Alison Karol Sigurðsson

Alison Karol Sigurðsson

Alison Karol Sigurðsson is a litigator in the San Francisco office of Munger, Tolles & Olson. She focuses her practice on complex civil matters.  

Ms. Sigurðsson has represented clients in a variety of high-stakes litigation in federal and state court. She has experience managing all aspects of discovery, drafting and arguing pretrial motions and motions in limine, interviewing witnesses, taking and defending depositions, and devising case strategy.  Ms. Sigurðsson also has experience with internal investigations, client counseling, and responding to congressional inquiries. 

Ms. Sigurðsson also maintains an active pro bono practice, including representing an unaccompanied minor seeking asylum and Special Immigrant Juvenile Status, detained asylum-seekers filing parole applications for release from ICE detention during the current COVID-19 public health crisis, and Native American students in a highly publicized case against the federal government seeking to obtain access to education.

In addition to her law practice, Ms. Sigurðsson serves on the board of directors for the Jewish Bar Association of San Francisco and in various roles for the Buck Scholars Association, an offshoot of the Frank H. and Eva B. Buck Foundation.

Prior to joining Munger, Tolles & Olson, Ms. Sigurðsson served as a law clerk to Judge Jon S. Tigar of the U.S. District Court for the Northern District of California and to Judge Jane L. Kelly of the U.S. Court of Appeals for the Eighth Circuit.


Key representations:

  • The LA Clippers in litigation against Madison Square Garden Company, which challenged the development of the Clippers’ new arena in Inglewood, California.
  • Amgen in trade secret litigation against Coherus BioSciences.
  • California State University in lawsuits alleging discrimination based on religion and other grounds.