Diana Rogosa

O'Melveny & Myers LLP

Diana Rogosa specializes in general commercial litigation, white collar criminal defense, securities litigation, and financial services litigation and regulatory proceedings. Her clients include national banks, semiconductor and technology companies,  and corporate officers. In addition, Diana devotes substantial time to pro bono matters.


  • Representing a global bank in successful defense of nationwide class action challenging overdraft fees as allegedly usurious interest under the National Bank Act
  • Representing a global bank in connection with hundreds of lawsuits in state and federal court challenging homeowner associations’ efforts to foreclose on liens and to extinguish first deeds of trust owned or serviced by the bank
  • Representing Microsemi Corporation in multiple shareholder lawsuits in Delaware Chancery Court challenging its $389 million acquisition of Vitesse Semiconductor Corp.
  • Representing former Hewlett-Packard executive in multiple shareholder derivative actions and investigations arising from H-P’s $11 billion purchase of British software company Autonomy Corporation Ltd.
  • Representing former Corinthian Colleges, Inc. executive in investigations arising from the company’s disclosed placement of graduates
  • Successfully obtained U-Visa for Honduran woman terrorized by gang violence
  • Representing Salvadoran man terrorized by gang, family, and society for his membership in the LGBTQ community in seeking asylum


  • California
  • US District Court, Central and Northern Districts of California


  • University of California, Hastings College of the Law, J.D.:  cum laude; member, Hastings Law Journal; best brief, 2012 National Appellate Advocacy Moot Court Competition
  • George Washington University, B.A., Sociology


Rate : $$$

What types of cases Attorney Diana Rogosa & O'Melveny & Myers LLP can handle?
O'Melveny & Myers LLP can handle cases related to laws concerning Corporate, Litigation, White Collar Crime. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is O'Melveny & Myers LLP located?
O'Melveny & Myers LLP is located at Two Embarcadero Center, Embarcadero Center 28th floor, San Francisco, CA 94111, USA. You can reach out to O'Melveny & Myers LLP using their phone line 415-984-8940. You can also check their website omm.com or email them at [email protected].
How much would it cost to hire O'Melveny & Myers LLP?
Diana Rogosa lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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O'Melveny & Myers LLP
Two Embarcadero Center, Embarcadero Center 28th floor, San Francisco, CA 94111, USA
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