Business Litigation Lawyer for San Diego County Cases

Last updated: November 2026. Reviewed by Pavel Kolmogorov, California business litigation attorney (State Bar No. 321018).

Kolmogorov Law, P.C. is a California business litigation firm based in Irvine. We take business disputes in San Diego County's courts for businesses, owners, and investors, in court and in arbitration. We do not have an office in San Diego. This page explains where a San Diego business case is filed, which local rules shape it, and how we handle one from Orange County.

Call (909) 235-6116 or contact us online to talk through a dispute in San Diego County.

Where a San Diego business case is heard

San Diego County has one superior court, organized into Central, North County, East County, and South County Divisions. (Super. Ct. San Diego County, Local Rules, rule 1.2.2(A).) Each "Local Rule" cited on this page is one of that court's rules effective January 1, 2026, posted on its local rules page.

Civil cases are filed in Central or North County

For limited and unlimited civil cases, the court uses two filing divisions, Central and North County. The East County and South County Divisions are folded into Central for these cases. (Local Rule 1.2.2(E).) The choice follows the zip codes posted on the court's website. (Local Rule 1.2.2(C).) The court's Where to File page explains how to use that list.

The court's Zip Code List puts Carlsbad, Oceanside, Vista, San Marcos, Escondido, Encinitas, and Solana Beach in North County. Downtown San Diego, La Jolla, Sorrento Valley, Poway, Del Mar, and Coronado are Central. El Cajon, La Mesa, Chula Vista, National City, and Otay Mesa are listed as East or South, so a general civil case tied to those places goes to Central. For a business lawsuit, the practical split is North County against everywhere else.

Unlawful detainer is the exception. Every such case in the county is filed in the Central Division, even for premises in Vista or Oceanside. (Local Rule 2.4.2(A).)

The North County Division is at 325 S. Melrose Drive in Vista. Central's downtown buildings include the Hall of Justice at 330 W. Broadway, where the Civil Business Office is located, and the Central Courthouse at 1100 Union Street.

Each case is assigned when it is filed

At filing, a case is assigned either to the master calendar or to one judge for all purposes. The notice of case assignment identifies the judge, department, and location, and the plaintiff must serve it on every defendant. A case that is ready for trial may still go to the master calendar at trial call if the assigned judge will not be trying it. (Local Rule 2.1.3.)

How a case is designated complex

A plaintiff designates a case as complex on the Civil Case Cover Sheet (form CM-010). A defendant may join that designation. No later than its first appearance, a defendant may file and serve a counter cover sheet designating the case as complex, or as not complex if the court has not already declared it complex. (Cal. Rules of Court, rule 3.402.) The court then decides whether the case needs the exceptional judicial management that defines a complex case. (Cal. Rules of Court, rules 3.400(a), 3.403(a).) A San Diego class action is provisionally complex until the assigned judge decides. (Local Rule 2.4.11.)

Federal court: the Southern District of California

Pavel Kolmogorov is admitted to practice in the United States District Court for the Southern District of California. San Diego County lies in the Southern District of California, which is made up of San Diego and Imperial counties. By statute, court for the district is held at San Diego and El Centro. (28 U.S.C. § 84(d).) Whether a business dispute can be filed in or moved to federal court is a separate question, covered in our guide to state court and federal court.

Local rules that change how a case runs here

Tentative rulings: no notice is needed to argue

A San Diego civil judge may issue a tentative ruling before a motion hearing, at the judge's discretion. (Local Rule 2.1.19(C).) The court uses the statewide procedure under which no notice of intent to appear is required. (Cal. Rules of Court, rule 3.1308(a)(2).) To contest a tentative ruling, a party appears at the hearing and argues. In courts using the other statewide procedure, the tentative ruling generally becomes the order unless a party gave notice the court day before. (Cal. Rules of Court, rule 3.1308(a)(1).)

The ruling is available through the court's tentative rulings page or from the clerk of the assigned department. If no one appears and the court has not been told that all parties submit, the judge may make the tentative ruling final or take the motion off calendar. (Local Rule 2.1.19(C).)

Motions need a reserved date

A demurrer, motion, or ex parte application will not be heard unless the moving party first reserves a hearing date. The rule provides for reserving online or through the calendar clerk for the assigned judge. (Local Rule 2.1.19(A).) The court can change the reservation procedure by general order, so confirm the current procedure before reserving a date.

The court may also treat a missing opposition as a concession that the motion has merit. (Local Rule 2.1.19(B).) If the assigned department has referred discovery in a case to another department, discovery hearing requests go to that department. (Local Rule 2.1.10.)

The first conference is set about 150 days out

When the complaint is filed, the clerk sets the initial case management conference for approximately 150 days later. (Local Rule 2.1.9(A).) By then the court expects every complaint and cross-complaint to be served and all answers filed or defaults entered. (Local Rule 2.1.9.) In an ordinary civil case, all defendants must be served and proofs of service filed within 60 days of filing. (Local Rule 2.1.5.) Each party files a case management statement 15 calendar days before the initial conference. None is required for later conferences unless the court orders one. (Local Rule 2.1.9(B).)

The parties cannot rearrange this schedule by agreement. No deadline set by the rules or a court order may be extended by stipulation without the court's advance approval, except as Government Code section 68616 permits. (Local Rule 2.1.1.) A stipulation giving a defendant 15 more days to respond is one permitted example. (Local Rule 2.1.6.) Our page on the case management conference explains what the judge decides there.

The court's policy also limits each side to one expert per field of expertise, absent a court order. (Local Rule 2.1.11.)

Lawyers must file and serve electronically

Attorneys must file electronically in all limited, unlimited, and complex civil actions unless the court excuses them on an ex parte application. A party that must e-file must also serve and accept service electronically, with exceptions such as papers that require personal service. (Local Rule 2.1.4.)

The court expects the parties to use ADR

The local rules state that the court strongly supports alternative dispute resolution (ADR) and that it is discussed at every case management conference. Litigants are expected to use some form of it before trial. (Local Rules, div. II, ch. 3, ADR Policy Statement.) Three court programs matter in a business case.

• Civil Mediation Program. All general civil independent calendar cases are eligible, the parties may pick any mediator, and a referral can last up to 180 days. (Local Rule 2.3.2.)
• Voluntary settlement conference. The parties may request one if they represent that negotiations failed after demands and offers were exchanged, that a judicially supervised conference presents a substantial opportunity to settle, and that they are prepared without further discovery. They are not entitled to more than one. (Local Rule 2.3.1.)
• Judicial arbitration. The judge may order it at the case management conference. Cases in which the parties stipulate to mediation or a settlement conference are generally exempt. (Local Rule 2.3.3.)

The court describes these programs on its ADR page. Our business mediation page explains what a mediation day involves.

Where the case can be filed

Venue is generally proper in the county where a defendant resides when the case begins. A contract claim may also be filed where the contract was in fact entered into or where the obligation is to be performed. Unless a special written contract says otherwise, that is the county where the obligation was incurred. (Code Civ. Proc., § 395, subd. (a).) A corporation or association may be sued where the contract was made or is to be performed, where the obligation arises or the breach occurs, or where its principal place of business is located. (Code Civ. Proc., § 395.5.)

So a corporation with its principal place of business in San Diego County can ordinarily be sued there. The same statutes can pull a San Diego company into another county, such as the one where its contract was made.

A forum selection clause can change the answer. Our page on forum selection clauses explains when California courts enforce them. Inside the county, the zip code rule above picks the division. A case may be transferred to a different court location on a party's motion for good cause, or by a judge's own order. (Local Rule 1.2.2(O).)

How we handle a case from Irvine

Our only office is in Irvine, in Orange County. The rules let much of a San Diego case proceed without travel.

Remote appearances

State law allows a party in a civil case to appear remotely at a conference or hearing after giving notice to the court and the other parties. The court may still require an in-person appearance for reasons the statute lists. (Code Civ. Proc., § 367.75, subds. (a), (b).) By its own terms, that statute remains in effect only until January 1, 2032. (Code Civ. Proc., § 367.75, subd. (m).)

San Diego's rule permits remote appearances at all civil hearings, with a short list of exceptions. (Local Rule 2.5.8.) In limited and unlimited civil cases other than civil restraining order actions, notice goes on Judicial Council form RA-010, filed and served at least five court days before the hearing. For a trial, it is due at least two court days before the trial readiness conference, and ex parte hearings have their own timing. (Local Rule 2.5.8(A).) A phone call or email to the court does not count. (Local Rule 2.5.8(C).)

Electronic service and remote depositions

A represented party that has appeared must accept electronic service of documents that could be served by mail. (Code Civ. Proc., § 1010.6, subd. (b)(2).) A document the court receives electronically by 11:59:59 p.m. on a court day is deemed filed that day. (Code Civ. Proc., § 1010.6, subd. (e)(3).)

For a deposition, the officer may attend remotely at the election of the deponent or the deposing party. A party or attorney of record may, but need not, be physically present with the witness. (Code Civ. Proc., § 2025.310, subds. (a), (b).)

What still happens in person

Some events are in person by rule. Parties, counsel, and anyone whose authority is needed to settle must attend a settlement conference in person unless excused. (Local Rule 2.3.1.1.) Trial counsel must appear in person at the trial readiness conference if the joint report was not filed on time and the case has not resolved, unless the judge allows a remote appearance. (Local Rule 2.1.15.)

Business disputes we take in San Diego

We take the following kinds of business disputes in San Diego County's courts, on the plaintiff's side or the defendant's.

• Contract disputes over nonpayment, failed deliveries, and terminated agreements. See breach of contract.
• Partnership disputes over money, control, or an exit. See partnership disputes.
• Shareholder and LLC member disputes over distributions, records, management, or a buyout. See our guide.
• Fraud in a business deal, by misrepresentation or concealment. See business fraud.
• Trade secrets taken or misused by a former insider or a competitor. See trade secret litigation.
• Commercial lease disputes between landlords and business tenants. See commercial lease disputes.
• Unfair competition claims under California's Unfair Competition Law. See our guide to that statute.

If your company has already been served, our first 30 days guide covers the early deadlines. Our business litigation page describes the practice statewide. We do not take employment claims, residential landlord-tenant cases, or judgment collection.

Frequently asked questions

Do you have an office in San Diego?

No. Kolmogorov Law, P.C. has one office, in Irvine, and takes San Diego County business litigation matters from there. San Diego Superior Court requires lawyers to file electronically and permits remote appearances at most civil hearings on written notice. A few events, such as a settlement conference, must be attended in person unless the court excuses it. We travel to San Diego for those events and for trial.

Which San Diego courthouse will hear my business lawsuit?

It depends on the division. Under Local Rule 1.2.2(E), a general civil case belongs to either the Central Division, whose Civil Business Office is in the Hall of Justice downtown, or the North County Division in Vista. Cases from East County and South County zip codes are filed in Central. The notice of case assignment tells you the judge, department, and location.

How do I contest a tentative ruling in San Diego Superior Court?

Go to the hearing and argue. Local Rule 2.1.19(C) says no notice of intent to appear is required for oral argument, regardless of when the tentative ruling is issued. Not every motion receives one, because issuing a tentative ruling is left to the assigned judge. The ruling is not final until the hearing.

How soon is the first hearing in a San Diego civil case?

About five months, unless a motion is heard sooner. Under Local Rule 2.1.9(A), the clerk sets the initial case management conference for approximately 150 days after the complaint is filed. Before that date the plaintiff is expected to have served every defendant, and each side must have filed a case management statement.

Can my San Diego company be sued in another California county?

Sometimes. A corporation can be sued where the contract was made or was to be performed, where the breach occurred, or where its principal place of business is located. (Code Civ. Proc., § 395.5.) A San Diego corporation that agreed to perform in Orange County may therefore be sued there. A forum selection clause may narrow the choices.

Talk to a business litigation attorney about a San Diego case

Call (909) 235-6116 or contact us online. Kolmogorov Law, P.C. is located in Irvine, California. Bring the contract, any complaint or demand letter, and the business address of each party.

Other courts we cover: Los Angeles, Orange County, San Francisco, and San Jose.

This page gives general information about California law and San Diego court rules and is not legal advice. Local rules and general orders change, so check the current rule before relying on a deadline described here.