Business litigation lawyers with 26 years of experience guiding clients through complex matters in Irvine, CA.

If your company in Irvine is involved in litigation or about to be, the attorney you choose will determine how the next one to three years unfold. Business litigation is expensive and disruptive. Ghassemian Law Group has litigated business cases across Southern California for over 26 years. Our Irvine, CA business litigation lawyer takes on matters where companies face serious financial exposure, and we prepare every case as if it is going to trial. That posture drives better results at every stage, whether the case settles at mediation or goes before a jury. We offer free consultations.

Business Litigation Lawyer Irvine, CA

Business litigation is the process of resolving a commercial dispute through the court system. It is not the same as general business law or transactional work. A business litigation attorney files lawsuits, defends against them, manages discovery, argues motions, and takes cases to trial when settlement is not possible or not in the client’s interest.

Irvine’s commercial landscape generates a high volume of these disputes. Companies here operate in technology, real estate, finance, manufacturing, and professional services. When relationships between those companies or their owners break down, the amounts at stake are often substantial. An Irvine business litigation attorney who has managed these cases through Orange County courts knows what to expect and how to position a client for the strongest outcome.

Types of Business Litigation Cases We Handle in Irvine

Ghassemian Law Group represents both plaintiffs and defendants in business litigation across Irvine, CA. We take cases in which the exposure exceeds $100,000, and the outcome will have a meaningful impact on the company or the individuals involved.

• Breach of Contract Litigation. The most common business lawsuit in California. One party did not perform under the agreement, and now the other is in court seeking damages. We litigate these cases involving commercial leases, vendor agreements, service contracts, and partnership arrangements. The strength of the contract language itself often determines the outcome, which is why having an attorney who understands both drafting and litigation matters.
• Shareholder and Ownership Litigation. When disputes between company owners escalate past negotiation, they end up in court. We litigate claims involving self-dealing, breach of fiduciary duty, frozen distributions, and corporate waste. These cases frequently involve requests for temporary restraining orders and preliminary injunctions to prevent further harm while the litigation proceeds. Business valuation disputes are common in these matters.
• Partnership Litigation. A business partnership dispute that cannot be resolved through negotiation or mediation moves into the court system. We handle partnership dissolutions, breach of fiduciary duty claims between partners, disputes over profit distributions, and forced buyouts.
• Civil Litigation. Some business cases involve claims that span multiple areas of law. A single dispute might include allegations of breach of contract, fraud, and unfair business practices all at once. Our practice handles cases with overlapping claims and multiple parties.
• Commercial Litigation. Disputes between companies over money, performance obligations, or competitive conduct. Our commercial litigation attorneys handle cases involving interference with business relationships, unfair competition, and violations of non-compete and confidentiality agreements.
• Construction Litigation. Business disputes tied to construction projects carry their own rules, timelines, and procedural requirements. Our construction litigation practice handles disputes involving contractors, developers, architects, and owners.
• Trade Secret Litigation. A former employee or business partner takes proprietary information to a competitor. We pursue injunctive relief to stop the misuse and litigate for damages caused by the misappropriation.
• Fraud Litigation. Fraudulent inducement, concealment of material facts, misrepresentation in business transactions. These cases require extensive document review, forensic analysis, and depositions. We build the record piece by piece and take these cases to trial when the evidence supports it.

Why Choose Ghassemian Law Group as My Business Litigation Lawyer in Irvine, CA?

Trial Preparation That Drives Every Stage of the Case

There is a difference between a firm that files lawsuits and a firm that tries them. We try them. Ghassemian Law Group has recovered millions of dollars in business litigation, including cases against multinational corporations, multi-state shareholder battles, and disputes where the client’s company and personal assets were both at stake.

That trial orientation is not just about the courtroom. When opposing counsel knows you are willing and able to go to trial, the settlement dynamics change. Offers improve. Delays stop. The case moves toward resolution on terms that actually reflect what your claim is worth.

Mahyar Ghassemian founded the firm in 2010 and has been practicing since 1999. Before starting her own firm, she litigated high-value commercial and construction cases at well-known practices throughout Southern California. She graduated Cum Laude from Western State College of Law and holds a master’s in physics from Cal State Long Beach. That scientific training informs how we approach case strategy: methodically, evidence-first, and without assumptions.

The firm is active in the Orange County Bar Association, NAWBO, AGC, and SCCA, and has been recognized for its work across Orange County in both business and construction litigation.

What Is Important to Understand About Business Litigation Cases?

Claims, Liability, and Damages in Business Litigation

Business litigation in California can involve any number of legal theories. The claims listed below are the ones we see most frequently, and understanding them will give you a clearer picture of what your case involves.

• Breach of contract is the foundation of most business lawsuits: a valid agreement existed, you performed, the other side did not, and you suffered financial harm
• Fraud adds intent to the equation: a false statement, knowledge it was false, intent to deceive, reliance, and damages
• Breach of fiduciary duty targets company insiders who put personal gain ahead of their legal obligations to the company and its stakeholders
• Trade secret misappropriation protects confidential business information taken or disclosed without authorization
• Unfair competition is California’s broadest business tort, covering unlawful, unfair, or fraudulent business acts

In terms of damages, breach of contract claims typically yield lost profits and reliance damages. Fraud cases can include punitive damages. Attorney fees are available when the contract includes a fee-shifting provision. The question of how long litigation takes depends on what you are claiming, what damages you can prove, and how aggressively the other side defends.

What Are Important Aspects of a Business Litigation Case?

Three things matter more than anything else in business litigation: documents, timing, and preparation.

Documents come first. The contracts, the emails, the financial records, the text messages. If the key facts are in writing, the case has a foundation. If they are not, you are relying on testimony, which costs more to develop and carries more risk at trial.

Timing comes second. California has strict deadlines for filing claims, responding to lawsuits, and completing discovery. Missing a single deadline can cost you a claim or a defense. The sooner a business litigation attorney in Irvine gets involved, the more options remain open.

Preparation is third. The firms that win business litigation cases are the ones that know the documents better than the other side, depose the right people, and walk into every hearing with a clear position. That is what we do.

What Is the Business Litigation Case Timeline?

Litigation timelines vary based on the number of parties, the dollar amount, and the complexity of the claims. But the general arc of a business case in California looks like this:

• Pre-litigation: demand letters, negotiation, and informal attempts to resolve the dispute before anyone files
• Complaint and answer: the lawsuit is filed and the defendant typically has 30 days to respond
• Discovery: document requests, interrogatories, and depositions, usually lasting 6 to 12 months
• Mediation: Orange County courts often require mediation before trial, and a large number of cases resolve here
• Trial: if settlement fails, trial generally occurs 12 to 24 months after the case is filed

The entire process can take anywhere from a few months to several years. Strong cases with good documentation tend to resolve faster because the other side can see the evidence and negotiate accordingly.

What Should You Bring to Your Business Litigation Consultation?

Before meeting with an Irvine business litigation attorney, pull together what you can from this list:

• The contract, agreement, or transaction at the center of the dispute
• All written communications with the opposing party, including emails, texts, and letters
• Financial records documenting your losses or the amounts in dispute
• Corporate formation documents, including articles, bylaws, or operating agreements
• Any court filings, demand letters, or legal notices already received

Do not wait until you have a perfect file. Bring what you have, and we will work from there. The consultation is where you explain the situation, we evaluate the legal and factual picture, and we tell you whether the case is worth pursuing or defending.

What Are Important California Legal Resources for Business Litigation Cases?

California has several public resources that provide useful background for companies involved in or approaching litigation.

• The Orange County Superior Court provides civil case filing procedures, fee schedules, and courtroom-specific rules for business disputes in the county
• The California Courts Self-Help Guide covers the civil lawsuit process from filing through trial, including required forms and procedural steps
• The California Secretary of State maintains records on business entity registrations, filings, and corporate status
• The California Legislature’s website provides searchable access to statutes, including the Code of Civil Procedure, which governs litigation timelines and procedural rules
• The U.S. Small Business Administration offers federal-level guidance on business formation and compliance

On statutes of limitations: California Code of Civil Procedure Section 337 provides 4 years for written-contract claims. Section 339 allows two years for oral agreements. Both deadlines are subject to tolling and the discovery rule. In business litigation, missing a filing deadline is not a minor setback. It can end your case entirely.

Reach Out to Ghassemian Law Group to Schedule a Consultation

If your company is facing business litigation in Irvine, has been served with a lawsuit, or is considering filing one, Ghassemian Law Group offers free consultations. We represent businesses and their owners throughout Southern California in cases where the financial stakes are significant and the outcome will shape the company’s direction.

Contact us to schedule your consultation. We respond to every inquiry promptly.