Kathleen M. Marcus

4.5 (37 reviews )

Newport Beach California United States

Criminal Defense: White-Collar Litigation - Regulatory Enforcement (SEC, Telecom, Energy) Litigation - Securities

Recognized in Best Attorney USA since 2021

949-725-4000 Website

About Kathleen

Kathleen M. Marcus is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar, Litigation - Regulatory Enforcement (SEC, Telecom, Energy) and Litigation - Securities.Kathleen M., who practices law in Newport Beach, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathleen M. is held by other top lawyers in the same geographic and legal practice area.

Kathleen M., who practices law in Newport Beach, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kathleen M. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Criminal Defense: White-Collar

Litigation - Regulatory Enforcement (SEC, Telecom, Energy)

Litigation - Securities

Education

The University of Michigan Law School

Awards & Recognition

Contact Me

Login Required

Please login to contact this attorney

Reviews

4.5 / 5

37 Reviews

1,038 Profile Views

Glenda Jerde

Jan 27, 2026

Many thanks to Kathleen M. Marcus for the hard work and dedication to my legal matter

If you need a Criminal Defense: White-Collar law lawyer, Kathleen M. Marcus is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details...

Kellie Lueilwitz-White

Jan 27, 2026

Great people who truly care at Kathleen M. Marcus - the best legal team in California

Everyone at Kathleen M. Marcus's office in Newport Beach was so nice and helpful. They made a tough situation a lot easier to deal with by being so patient and explaining everything clearly. I never f...

Daryl Nienow

Jan 27, 2026

Really helpful and compassionate service from everyone at Kathleen M. Marcus's firm

Kathleen M. Marcus has been doing this since Recognized in Best Lawyers since 2021, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my leg...

Nadine Thiel

Jan 27, 2026

Simply amazing representation from Kathleen M. Marcus's office during my recent legal matter

If you're looking for someone who actually cares and will fight for you, go to Kathleen M. Marcus. They helped me out big time with my Criminal Defense: White-Collar law issue and kept me informed at...

Gretchen Effertz

Jan 27, 2026

Professional service and clear communication provided by Kathleen M. Marcus in Newport Beach

Needed help with Criminal Defense: White-Collar law and Kathleen M. Marcus delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in California looki...