A business law practice built on 26 years of client representation in Irvine, CA and across Southern California.

Ghassemian Law Group has represented businesses and their owners across Southern California for over 26 years. Our Irvine, CA business lawyer handles matters ranging from breach of contract claims and shareholder disputes to trade secret cases and fraud litigation. We offer free consultations and are prepared to move quickly when the situation demands it.

Business Lawyer Irvine, CA

A business lawyer handles the legal issues that arise when companies operate, grow, enter into agreements, and sometimes end up in conflict. That includes everything from reviewing a vendor contract to taking a fraud case to trial.

Irvine sits at the center of one of the most active business corridors in Southern California. The Irvine Business Complex alone hosts thousands of companies, and the surrounding area is home to tech firms, real estate developers, professional service providers, and manufacturing operations. With that density comes a steady stream of commercial disputes, partnership breakdowns, and contractual failures. An Irvine business attorney with courtroom experience and knowledge of how Orange County judges handle these cases is an asset you cannot replace with general advice from the internet.

Types of Business Cases We Handle in Irvine

We take on business law matters for companies and individuals throughout Irvine, CA. The work covers both litigation and pre-litigation disputes, and the types of cases listed below are the ones our firm sees most frequently.

• Breach of Contract. A deal was made. One side did not follow through. Now the other side is absorbing the cost. These claims arise out of service agreements, commercial leases, joint ventures, vendor relationships, and employment terms. California recognizes verbal contract claims as well, though proving them is harder, and the filing window is shorter.
• Shareholder Disputes. When the owners of a company disagree about finances, direction, or management, the business itself takes the damage. We represent shareholders in disputes involving self-dealing, dilution of equity, frozen distributions, and unauthorized transactions. Recovering lost revenue in these situations often requires both legal action and strategic negotiation.
• Partnership Disputes. Two partners built something together. Now one wants out, or one has been taking more than their share, or both have stopped communicating entirely. A business partnership dispute requires legal intervention to protect each party’s rights and determine whether the business can survive the conflict.
• Civil Litigation. Not every business case fits neatly into a single label. Some involve overlapping claims that require a civil litigation attorney capable of managing multiple legal theories, parties, and procedural tracks simultaneously.
• Commercial Litigation. Disputes between businesses over money, performance, or contractual obligations make up a large share of what we handle. Our commercial litigation practice covers claims involving unfair competition, interference with business relationships, and breach of implied covenants.
• Trade Secret Misappropriation. An employee or former partner takes confidential information to a competitor. Client lists, pricing data, proprietary processes. The harm is immediate and often requires an emergency court order to contain.
• Breach of Fiduciary Duty. Officers, directors, and managing members owe obligations to the companies they serve. When they prioritize their own interests over the company’s, they can be held personally liable for the financial consequences.
• Fraud and Misrepresentation. Hidden liabilities in a transaction. Falsified financials used to close a deal. Promises that were never intended to be kept. We investigate, build the factual record, and pursue accountability on behalf of our clients.

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

26 Years of Results in Business and Commercial Litigation

We have been doing this for decades. Ghassemian Law Group has recovered millions of dollars in business and commercial disputes, including corporate governance battles that crossed state lines, shareholder disputes worth tens of millions, and cases against multinational corporations where our client’s personal liability and entire business were at stake.

Mahyar Ghassemian is the firm’s founder. She has been practicing law since 1999, starting at well-known Southern California litigation firms before opening her own practice in 2010. Her education includes a law degree earned Cum Laude from Western State College of Law and a master’s degree in physics from Cal State Long Beach. The physics background is not decoration. It trained her to break complex problems into parts, test each one, and build a position from the evidence up. That approach defines how the firm handles every case.

Mahyar is involved in the Orange County Bar Association, NAWBO, AGC, and SCCA. The firm has been recognized for its work in business and construction law, and we continue to represent companies across Irvine and throughout Orange County.

What Is Important to Understand About Business Cases?

Claims, Liability, and Damages in Business Cases

California business disputes generally fall into a handful of claim categories. You do not need to know the law inside and out, but understanding the basic structure will help you evaluate your situation and have a more productive conversation with your attorney.

• Breach of contract requires proof of a valid agreement, your side’s performance, the other side’s failure to perform, and financial harm resulting from that failure
• Fraud adds layers: a materially false statement, knowledge of its falsity, intent to induce reliance, actual reliance, and damages
• Fiduciary duty claims apply when someone in a position of trust inside the company acts against the company’s interest for personal gain
• Trade secret claims protect proprietary information that the company took reasonable steps to keep confidential
• Unfair competition covers a broad range of unlawful or deceptive business conduct under California law

Damages depend on the claim. In contract cases, you can recover lost profits and the costs of restoring your position. Fraud claims may include punitive damages. Attorney fees are recoverable when the contract contains a fee-shifting clause. The range of business litigation cases that arise in California is broad, and potential recovery depends entirely on the facts.

What Are Important Aspects of a Business Case?

Everything starts with documentation. Contracts, emails, financial records, text messages, and operating agreements. If something was put in writing, it will be central to the case. If it wasn’t, you are relying on testimony, which is weaker and more expensive to prove.

Business cases also tend to pull in parties beyond the original two. A partner dispute brings in accountants, lenders, and vendors. A shareholder fight may involve subsidiary entities or companies in other states. More parties mean more discovery, more motions, and higher costs. Knowing when to bring in a litigator, ideally before formal litigation begins, gives your company a head start that pays off throughout the case.

One thing worth mentioning: commercial tenant disputes are a frequent trigger for business litigation in Irvine. When a tenant stops paying, and the lease includes guarantor provisions or personal guarantees, the legal exposure can extend well beyond the rent itself.

What Is the Business Case Timeline?

No two cases follow the same calendar. But most business disputes in California move through a predictable sequence, even if the pace varies.

• Pre-litigation: demand letters, negotiation, and attempts to resolve the matter before filing, which can take weeks to several months
• Filing and response: the complaint is filed, and the defendant typically has 30 days to answer
• Discovery: the longest phase, usually 6 to 12 months, involving document production, interrogatories, and depositions
• Mediation: Orange County courts generally require mediation, and many cases settle at this stage
• Trial: if no resolution is reached, trial typically occurs 12 to 24 months after the initial filing

A strong demand letter resolves some matters within weeks. Complex multi-party cases can stretch on for years. The timeline depends on the dollar amount at stake, the number of parties, and whether both sides are motivated to settle.

What Should You Bring to Your Business Law Consultation?

Before meeting with an Irvine, CA business lawyer, gather what you can from the following list:

• Contracts, agreements, or amendments tied to the dispute
• Emails, letters, and text messages between the relevant parties
• Corporate formation documents such as articles of incorporation, bylaws, or an operating agreement
• Financial records showing losses, unpaid amounts, or disputed transactions
• Demand letters or court filings already received

Bring whatever you have, even if it is not organized. Your attorney will sort through it and identify what is relevant. The consultation is a working conversation where you explain the situation, we assess the strength of your position, and together we determine whether moving forward makes sense.

What Are Important California Legal Resources for Business Cases?

California offers several public resources that give business owners background on legal obligations, entity requirements, and court procedures.

• The California Secretary of State maintains entity registration records, corporate filings, and business status information
• The California Legislature’s website provides searchable access to current statutes, including the Corporations Code and Code of Civil Procedure
• The California Courts Self-Help Guide covers civil lawsuit procedures, required forms, and filing deadlines
• The Federal Trade Commission publishes rules on advertising, consumer protection, and competitive business practices
• The U.S. Small Business Administration offers federal guidance on business formation, planning, and regulatory compliance

On statutes of limitations: California Code of Civil Procedure Section 337 gives you four years to file a claim based on a written contract. Section 339 provides a 2-year period for oral agreements. Both deadlines are subject to tolling and the discovery rule, so talking to a business attorney in Irvine sooner rather than later is always the better approach.

Reach Out to Ghassemian Law Group to Schedule a Consultation

If your company is facing a legal issue, a threatened lawsuit, or a dispute that has not yet escalated but could, Ghassemian Law Group offers free consultations for business owners in Irvine and across Southern California. We handle the kinds of cases where the financial stakes are real, and the outcome will shape how the business moves forward.

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