Costa Mesa Business & Civil Litigation Attorney
Protect What You've Built. Recover What You've Lost.
Mahrouyan Law, P.C. is a Costa Mesa-based civil litigation and business law firm representing businesses, founders, property owners, landlords, and injured individuals throughout Orange County and Los Angeles County, with selected matters accepted elsewhere in California.
- California Bar No. 352171
- Former Federal Judicial Extern
- LMU Loyola Law School
- USC Keck School of Medicine
- UC Berkeley
- Selected to Rising Stars, 2026–2027
Counsel across disputes, transactions, and recovery.
- 01
A commercial contract or business relationship has broken down.
- 02
Commercial property, equipment, cargo, or inventory has been damaged.
- 03
A tenant has stopped paying rent, breached a lease, or refuses to leave.
- 04
Someone has been injured through another party's negligence.
- 05
A trademark or brand needs to be cleared, filed, or defended.
- 06
A founder or small business needs contracts, structure, or protection reviewed.
A focused practice across disputes, transactions, and recovery.
When a commercial relationship breaks down and money, reputation, or continuity are at stake.
Recovering value when property, equipment, or commercial cargo has been damaged or lost.
Representation for individuals injured by another party's conduct.
Formation, agreements, and protective documents for founders and operating businesses.
Representation for landlords and property owners in tenancy disputes and evictions.
Trademark protection, ownership agreements, licensing, and selected IP disputes for founders, creators, and small businesses.

Omeed Mahrouyan
You hire the lawyer. You work with the lawyer.
Mahrouyan Law maintains a selective caseload. Clients work directly with Omeed on strategy, substantive drafting, negotiations, and major case decisions.
The firm's approach emphasizes analytical preparation, careful written work, and an understanding of the client's broader commercial or personal objective.
- LMU Loyola Law School
- USC Keck School of Medicine
- University of California, Berkeley
A method, not a script.
- 01Understand the objective
What the client actually needs — not what a template complaint would ask for.
- 02Preserve the evidence
Documents, communications, and physical evidence are preserved, organized, and evaluated before the record becomes incomplete or disputed.
- 03Identify the leverage
Where the client has leverage—legally, commercially, and practically.
- 04Develop the strategy
A written plan for how the matter is resolved, with contingencies.
- 05Execute efficiently
Motion practice, negotiation, or trial preparation — whichever moves the matter.
Law, strategy, business, and human behavior.
Beyond the firm, Omeed publishes educational content on law and leverage, business and strategy, and ideas and human behavior. The work is separate from client representation, but the habits of mind are the same.
- Law & Leverage
- Business & Strategy
- Ideas & Human Behavior
Recent writing.
A federal judge added about $184.2 million in prejudgment interest to Masimo’s $634.3 million patent judgment against Apple. Here is why interest can materially increase litigation exposure.
Five Buss siblings are challenging Jeanie Buss over a proposed sale of the family’s remaining Lakers stake. The dispute highlights the difference between ownership, voting rights, management control, and transfer restrictions.
A California AI company says OpenAI's GPT-6 Astra creates reverse trademark confusion. Learn what that theory means and why startup trademark clearance matters.
Based in Costa Mesa.
Mahrouyan Law is based in Costa Mesa and represents clients across Orange County, with selected matters accepted in Los Angeles County and elsewhere in California.
All areas served →Tell the firm what happened.
Contacting the firm through this website, by telephone, or by email does not create an attorney-client relationship. Representation begins only after conflict clearance and execution of a written engagement agreement.

