Irwin B. Feinberg
Irwin B. Feinberg is a founding partner at FMBK and Head of the Civil Litigation and Probate & Trust Litigation Departments. After earning his undergraduate degree from UCLA in 1976, he completed his J.D. at King Hall School of Law, University of California at Davis.
Mr. Feinberg brings a holistic approach to litigation, centered around each client’s needs. He prioritizes cost-efficient strategies that achieve the best possible results. His primary areas of practice include:
- Civil litigation (real estate, commercial disputes, and partnership dissolutions)
- Probate and trust litigation
Over his decades-long career, Mr. Feinberg has successfully conducted jury trials in a wide range of civil litigation matters. He considers himself a legal counselor first and believes in connecting clients with specialized professionals when appropriate.
Credentials & Community Impact
Recognized, connected, and committed—our awards, affiliations, and service work reflect dedication to both the law and the community.
Associations & Memberships
- Member, Beverly Hills Bar Association
- Member, Los Angeles County Bar Association
Honors, Awards & Accomplishments
Community Involvement
- Chair, Board of Directors (2003–2005, 2018–Present)
- Executive Committee (2002–Present)
- Previous Board Chair (2001–Present)
- Vice President, Board of Directors
- Previous Member, Board of Directors
Published Work & Presentations
Speaking Engagements & Presentations
Media Features

Irwin B. Feinberg
Irwin B. Feinberg is a founding partner at FMBK and Head of the Civil Litigation and Probate & Trust Litigation Departments. After earning his undergraduate degree from UCLA in 1976, he completed his J.D. at King Hall School of Law, University of California at Davis.
Mr. Feinberg brings a holistic approach to litigation, centered around each client’s needs. He prioritizes cost-efficient strategies that achieve the best possible results. His primary areas of practice include:
- Civil litigation (real estate, commercial disputes, and partnership dissolutions)
- Probate and trust litigation
Over his decades-long career, Mr. Feinberg has successfully conducted jury trials in a wide range of civil litigation matters. He considers himself a legal counselor first and believes in connecting clients with specialized professionals when appropriate.
Associations & Memberships
- Member, Beverly Hills Bar Association
- Member, Los Angeles County Bar Association
Honors, Awards & Accomplishments
Community Involvement
- Chair, Board of Directors (2003–2005, 2018–Present)
- Executive Committee (2002–Present)
- Previous Board Chair (2001–Present)
- Vice President, Board of Directors
- Previous Member, Board of Directors