About Kolmogorov Law, P.C.

Kolmogorov Law, P.C., is a business and commercial litigation firm in Irvine, California. We represent companies, founders, and investors in contract, business fraud, partnership, shareholder, trade secret, and intellectual property disputes. This page sets out who founded the firm and what his qualifications are, where we practice, and how the legal guides on this site are written and reviewed.

Who we represent and what we handle

A client of the firm may be a company, a founder, or an investor, and may be the plaintiff or the defendant.

Our cases include:

Breach of contract.
Business fraud.
Partnership and shareholder disputes.
Trade secret misappropriation.
Unfair competition claims under Business and Professions Code section 17200.
Computer data theft claims under Penal Code section 502.
Trademark, trade dress, and copyright infringement cases under the Lanham Act and the Copyright Act. Our intellectual property page covers these.

We also have pages on business disputes and real estate litigation, and a general practice areas page.

We do not do transactional work, and we do not take personal injury, criminal, immigration, family law, bankruptcy, residential real estate purchase and sale, zoning, homeowners association, or inverse condemnation matters.

Our approach to client work is described on the Our Philosophy page.

The attorney

Pavel Kolmogorov is the founder of the firm.

He holds a foreign law degree and practiced law overseas before his admission in California. In 2017 he earned a Master of Laws (LL.M.) from the University of California, Berkeley School of Law. At Berkeley he externed for the Honorable Laurel Beeler of the United States District Court for the Northern District of California.

He was admitted in California in 2018 (State Bar number 321018) and in the District of Columbia in 2023. He is also admitted to the United States District Courts for the Central, Northern, and Southern Districts of California.

He appears in five California superior courts and three federal districts, all named in the next section. He also appears in arbitration before JAMS and AAA. He practices in English and Russian.

He has appeared as a legal commentator on Radio-Canada and CBC Radio.

More detail is on Pavel Kolmogorov's attorney page.

Where we practice

Our office is in Irvine. Pavel Kolmogorov appears in these courts:

The Superior Courts of Orange County, Los Angeles, San Diego, San Francisco, and Santa Clara Counties.
The federal district courts for the Central, Northern, and Southern Districts of California.

We take business litigation matters in Alameda and Contra Costa counties as well.

We travel to courts outside Orange County for trial and for hearings a judge requires in person.

We have separate pages for Orange County, Los Angeles, San Diego, San Francisco, and San Jose.

Recognition

Chambers and Partners ranks the firm in its USA Spotlight 2026 guide for Litigation: General Commercial in Orange County, and names Pavel Kolmogorov as the firm's key contact.

The firm is a BBB Accredited Business, rated A by the Better Business Bureau.

See also our recommendations page and our case results page. A result in one matter does not predict the result in another.

How our guides are written and reviewed

The guides on this site describe statutes, court rules, and court decisions. A reader is entitled to know how they were prepared and who reviewed them. Since October 2026 the process has been as follows.

Each guide is drafted against the current text of the statute, rule, or court decision it describes. Every statement of law is then checked again against that source before the attorney reviews the page.

Pages that carry a date line show "Last updated" with a month and year, followed by "Reviewed by Pavel Kolmogorov, California business litigation attorney (State Bar No. 321018)." The name means that he reviewed the page. The date changes only when the substance does. When a statute or rule changes, we correct the page and change the date. If nothing of substance changes, the date stays as it was.

The guides are general information. They are not legal advice, and a guide cannot take account of the facts of a particular dispute.