William Migler

Senior Counsel

B.A., Chapman University, 2012; J.D. Chapman University School of Law, 2017 magna cum laude

California State Bar 2017
United States District Court for the Central District of California 2018
United States District Court for the Southern District of California 2018
United States Circuit Court of Appeal for the Ninth Circuit 2018
United States District Court for the Northern District of California 2023

William is a Senior Counsel at Mortenson Taggart Adams LLP. He is a career-long trial attorney experienced in high stakes and complex civil and criminal litigation in both federal and state court. His current practice is largely representing auto manufacturers in consumer litigation matters, with an emphasis in federal court litigation.

Before joining Mortenson Taggart Adams, William was a federal prosecutor with the United States Attorney’s Office for the Northern District of California, where he prosecuted a number of federal crimes, including violent assaults on federal officers, fentanyl trafficking, and child exploitation. In his private practice before becoming a prosecutor, William defended individuals and corporations in a wide range of federal and state criminal and civil cases, including cases involving homicide, securities fraud, SEC and CFPB enforcement actions, trade secret espionage, and employment law matters.

William graduated magna cum laude from Chapman University School of Law and was a Senior Articles Editor on the Chapman Law Review.  While in law school, he clerked for Justice William W. Bedsworth on the California Court of Appeal, Fourth District, Division Three.

Mortenson Taggart Adams has proven their ability time and time again to achieve exceptional outcomes in complex matters.  Their approach is bespoke to each matter, but always effective, efficient and client-focused.  They are a strategic business partner that we rely on constantly to achieve our short and long-term goals.

Andrew Gahan, General Counsel, Valta Energy

Mortenson Taggart Adams’ legal expertise has helped us successfully navigate a high-profile lawsuit in federal court and perhaps most importantly, helped a fledgling startup get on sturdy ground.  Regardless of the curveballs that may be thrown at us, we know that Mortenson Taggart Adams has the experience and expertise to successfully handle it.

Sean Lake, Co-Founder, Bubs Naturals