California Antitrust Criminal Defense Under the Cartwright Act

Antitrust violations under California's Cartwright Act, Business and Professions Code sections 16720 through 16770, involve agreements that unlawfully restrain trade, including price-fixing, bid-rigging, and market allocation.

While many business strategies are lawful forms of competition, prosecutors may interpret pricing discussions, exclusive arrangements, or industry communications as criminal conspiracies under the Cartwright Act.

When facing California antitrust criminal defense, it's important to understand the Cartwright Act, which helps prevent agreements that might restrict trade, set prices, or divide markets unfairly.

Cartwright Act criminal violations carry severe exposure, and recent legislation has significantly increased the penalties:

Corporate fines are up to $6 million per violation, or twice the gross gain or loss, whichever is greater. Individual fines are up to $1 million per violation.

What Is the Cartwright Act?

The Cartwright Act is California's primary antitrust statute. It is codified in California Business and Professions Code sections 16720 through 16770 and prohibits combinations or agreements that restrain trade or reduce market competition.

Certain allegations may also overlap with federal antitrust laws, including the Sherman Antitrust Act, 15 U.S.C. §§ 1-7.

Put simply, the law prohibits competitors from entering into agreements that improperly limit competition in the marketplace.

Under Business and Professions Code section 16720, a violation may exist when businesses coordinate to:

• Fix prices
• Limit production
• Restrict output
• Allocate territories or customers
• Suppress competition
• Prevent market entry
• Manipulate bidding processes

California prosecutors frequently pursue antitrust cases involving:

• Healthcare companies
• Pharmaceutical manufacturers
• Construction contractors
• Technology firms
• Real estate investment groups
• Transportation companies
• Financial service entities

Some investigations begin after whistleblower complaints, while others arise from audits, merger reviews, parallel pricing analyses, or federal investigations conducted by the U.S. Department of Justice Antitrust Division.

What Conduct Can Lead to Criminal Antitrust Charges?

Many executives are surprised to learn that prosecutors may characterize ordinary business communications as evidence of conspiracy.

In some cases, the government relies heavily on circumstantial evidence rather than direct proof of an unlawful agreement.

Common allegations include:

• Competitors agreeing to maintain certain pricing levels
• Companies dividing geographic territories
• Contractors coordinating bids before public projects
• Businesses agreeing not to solicit each other's employees
• Trade association meetings involving pricing discussions
• Artificially restricting supply to increase profits

Are Cartwright Act Violations Felonies?

Yes. Criminal violations of the Cartwright Act may be prosecuted as felonies in California.

Potential consequences can include:

• Significant corporate fines
• Individual fines against executives
• Restitution orders
• Probation
• Asset forfeiture allegations
• Court injunctions
• Prison exposure for individual defendants

In some cases, prosecutors also pursue related fraud allegations, conspiracy counts, obstruction charges, or false-statement charges.

Multi-agency investigations may involve the California Attorney General, local district attorneys, federal prosecutors, and regulatory agencies simultaneously.

High-profile defendants often face substantial collateral consequences beyond criminal penalties, including:

• SEC scrutiny
• Shareholder litigation
• Licensing issues
• Contract termination
• Suspension from government bidding opportunities
• Reputational damage within the industry

How Do Prosecutors Prove an Antitrust Conspiracy?

Antitrust prosecutions often focus on proving an agreement between competitors. Essentially, prosecutors must establish more than aggressive business conduct or independent market behavior.

The government may attempt to show:

1. An agreement existed between competitors
2. The agreement restrained trade
3. The conduct affected commerce or competition
4. Defendants knowingly participated in the conduct

State prosecutors often attempt to prove criminal intent through:

• Emails and text messages
• Slack or internal messaging platforms
• Recorded phone calls
• Calendar entries
• Meeting notes
• Testimony from cooperating witnesses
• Financial analyses showing “parallel conduct”

Evidence frequently involves complicated economic analysis. Prosecutors sometimes use pricing charts, market trends, or expert testimony to argue that competitors acted in coordination rather than independently.

Not every similarity in pricing or market behavior establishes a criminal conspiracy. Businesses operating in the same industry often respond similarly to market conditions, labor costs, tariffs, supply chain issues, or economic pressures.

Eisner Gorin LLP frequently analyzes whether prosecutors can actually prove the existence of a true unlawful agreement rather than lawful competitive conduct.

What Happens During a California Antitrust Investigation?

Most Cartwright Act cases begin long before arrests or formal criminal filings occur.

Investigators may issue:

• Search warrants
• Grand jury subpoenas
• Civil investigative demands
• Requests for electronic communications
• Demands for pricing records
• Interview requests for executives and employees

Some companies first learn of investigations after federal agents execute simultaneous search warrants at multiple business locations.

Early stages of an investigation may involve:

• Internal corporate audits
• Litigation hold notices
• Forensic accounting reviews
• Electronic discovery preservation
• Witness interviews
• Compliance evaluations

Even mentioning that an antitrust investigation is underway or that the government has expressed interest in investigating a business can cause reputational damage to a company.

Getting ahead of the investigation can make all the difference in the case outcome.

Frequently Asked Questionss

What is the California Cartwright Act?

The Cartwright Act is California's primary antitrust law and prohibits agreements or combinations that unlawfully restrain trade or reduce competition in the market.

What types of conduct can lead to Cartwright Act charges?

Common allegations include price-fixing, bid-rigging, market allocation, output restriction, anti-competitive conduct, and agreements not to compete for employees or customers.

Are Cartwright Act violations criminal offenses?

Yes. Certain antitrust violations under California law may be prosecuted as felony criminal offenses.

What penalties can result from a criminal antitrust conviction?

Potential penalties may include significant fines, restitution orders, probation, prison exposure, injunctions, asset forfeiture allegations, and reputational damage.

What industries are commonly investigated for antitrust violations?

Investigations often involve healthcare companies, construction contractors, pharmaceutical manufacturers, technology firms, transportation companies, financial service entities, and real estate investment groups.

What is price-fixing?

Price-fixing involves competitors allegedly agreeing to maintain, raise, lower, or stabilize prices instead of independently competing in the marketplace.

What is bid-rigging?

Bid-rigging occurs when competitors allegedly coordinate bids on contracts or projects to predetermine winners or manipulate pricing.

What is market allocation?

Market allocation involves competitors allegedly dividing territories, customers, regions, or business opportunities to reduce competition.

How do prosecutors prove an antitrust conspiracy?

Prosecutors often rely on emails, text messages, meeting notes, witness testimony, pricing analyses, and economic expert opinions to argue that competitors coordinated conduct unlawfully.

Is parallel pricing automatically illegal?

No. Similar pricing alone does not automatically establish a criminal conspiracy because businesses often respond similarly to market conditions, labor costs, supply shortages, or economic pressures.

What is the difference between a per se violation and the rule of reason?

Per se violations are automatically illegal, while rule-of-reason cases require courts to analyze whether the conduct actually harmed competition in a specific market.

What conduct is considered a per se antitrust violation?

Price-fixing, bid-rigging, and horizontal market division are commonly treated as per se violations under antitrust law.

What is the rule of reason analysis?

The rule of reason requires courts to evaluate market conditions, competitive effects, business justifications, and whether the alleged conduct unreasonably restrains trade.

Can federal antitrust charges accompany California charges?

Yes. Some investigations also involve federal prosecutors, the Department of Justice, the FBI, and allegations under the Sherman Antitrust Act.

What happens during an antitrust investigation?

Investigations may involve subpoenas, search warrants, document requests, forensic accounting reviews, electronic evidence preservation, interviews, and grand jury proceedings.

What evidence do investigators commonly seek?

Investigators frequently examine emails, text messages, pricing records, internal communications, calendars, financial analyses, meeting notes, and messaging platform records.

Can lawful business communications be misinterpreted as collusion?

Yes. Prosecutors sometimes characterize ordinary industry discussions, subcontractor coordination, or competitive business strategies as unlawful agreements.

What are common defenses in Cartwright Act cases?

Common defenses include independent business decision-making, lawful competition, lack of criminal intent, ambiguous communications, improper search warrants, and challenges to economic expert analysis.

What are Common Defense Strategies in Cartwright Act Cases?

Every antitrust investigation requires an individualized defense strategy based on the market, communications, business structure, and evidence involved.

Potential defense approaches may include:

• Demonstrating independent business decision-making
• Showing lawful competitive conduct
• Challenging economic assumptions
• Contesting search warrant legality
• Excluding improperly seized electronic evidence
• Disputing witness credibility
• Showing a lack of criminal intent
• Arguing ambiguity in communications
• Demonstrating pro-competitive business purposes

In some cases, defense counsel may establish that communications prosecutors characterize as collusion were actually lawful discussions involving vendors, distributors, consultants, or joint ventures.

Other cases involve substantial disputes regarding industry terminology, technical market practices, or the interpretation of internal communications.

Like other complex white-collar proceedings, early intervention may significantly affect whether a prosecutor files charges, how negotiations are handled, and how litigation is pursued.

Hypothetical Case Study: Alleged Bid-Rigging Scheme in Southern California

A regional construction executive becomes the target of a California Attorney General investigation involving alleged bid-rigging on municipal infrastructure contracts.

Investigators claim several contractors coordinated bid submissions to predetermine winning companies and inflate project pricing.

Search warrants executed at multiple offices led to the seizure of phones, laptops, accounting records, and internal communications. Prosecutors rely heavily on email exchanges between contractors and pricing similarities across several bids.

Our white-collar defense team conducts an extensive forensic review and identifies major weaknesses in the government's theory:

• Several communications occurred after bid submissions rather than before
• Industry-standard subcontractor coordination was mischaracterized as collusion
• Similar pricing resulted from material shortages and labor increases affecting all competitors
• One cooperating witness received substantial leniency incentives

We also present evidence showing the executive independently calculated project costs using internal estimating software unrelated to competitor communications.

Before trial, we challenge portions of the search warrants and file motions attacking the reliability of the prosecution's economic expert analysis. Prosecutors later reduced several allegations and resolved the matter without incarceration.

Can Federal Antitrust Charges Accompany California Charges?

Yes. Some Cartwright Act investigations expand into federal prosecutions involving the Sherman Act or related federal offenses.

Federal investigations may involve:

• The Department of Justice
• The FBI
• Federal grand juries
• Interstate commerce allegations
• International market conduct
• Public corruption components

Certain cases also trigger other allegations, including, but not limited to, wire fraud, mail fraud, obstruction, or false statements under federal law.

Parallel federal and state proceedings create substantial litigation complexity because statements made in one investigation may affect the other.

Coordinated defense analysis becomes particularly important when agencies share evidence or cooperating witnesses. At

Eisner Gorin LLP's criminal defense team is well-versed in handling parallel federal and state litigation in antitrust violation cases.

The “Per Se” Rule vs. The “Rule of Reason” in Criminal Cases

In California antitrust litigation, the court typically applies one of two legal standards to determine if a business agreement is an unlawful "trust" under the Cartwright Act.

Understanding which standard applies is an important component of a successful defense strategy.

• Per Se Violations: Several specific categories of conduct are considered so inherently harmful to competition that they are automatically illegal. For these offenses, the government does not need to prove that the conduct actually harmed the market or that the defendants had a specific, malicious intent to destroy competition. Common "per se" violations include price-fixing, bid-rigging, and horizontal market division.
• The Rule of Reason: For business activities that are not "per se" illegal—such as certain exclusive dealing contracts or joint ventures—the court applies the "rule of reason." Under this standard, the prosecution must prove that the agreement actually resulted in an unreasonable restraint of trade. This involves a deep dive into the specific market, the power of the businesses involved, and whether the pro-competitive benefits of the agreement outweigh its anticompetitive effects.

Because the stakes are significantly higher in a criminal case, the defense often focuses on refuting the government's classification of conduct.

If a defense team can successfully argue that a "per se" label is inappropriate, the prosecution's burden of proof increases dramatically, often requiring them to produce expert economic testimony to justify the charges.

Identifying these nuances early in an investigation can frequently lead to the reduction or dismissal of the most serious criminal allegations.

Eisner Gorin LLP is here to help you. Schedule your consultation by calling (818) 781-1570 or using the contact form here.