White Collar Defense, Investigations & Enforcement

We advise companies and executives in criminal and civil antitrust investigations involving allegations of price fixing, bid rigging, market allocation, and monopolization. Our team defends clients in investigations by the DOJ Antitrust Division, FTC, and state attorneys general, and provides counsel on leniency applications, dawn raid preparedness, and antitrust compliance. Whether navigating grand jury subpoenas or responding to cross-border enforcement actions, we deliver strategic guidance that aligns with your risk profile and business goals.

We defend clients facing criminal investigations, charges, and grand jury proceedings related to securities fraud, public corruption, antitrust violations, tax evasion, and other alleged misconduct. Our team is trusted to navigate DOJ, U.S. Attorney, and state-level matters with discretion and skill.

We represent companies and professionals in FCA investigations and qui tam whistleblower actions. Allegations often involve billing fraud, health care, cybersecurity certification, procurement misrepresentations, and grant compliance. We work closely with clients on disclosure strategy, parallel civil/criminal exposure, and coordinating responses with internal stakeholders and regulators.

Hinshaw conducts confidential and independent internal investigations into allegations of financial misconduct, regulatory breaches, harassment, discrimination, ethics violations, and whistleblower complaints. We advise boards, senior executives, and in-house counsel on investigation protocols, privilege preservation, document review, and remediation. Our team also supports clients in preparing for possible follow-on regulatory or civil actions stemming from investigation findings.

We assist clients in monitorship roles and post-resolution compliance obligations, including those stemming from DOJ deferred prosecution agreements, corporate integrity agreements, or regulatory consent orders.

Our team handles high-stakes investigations involving data breaches, consumer privacy violations, ransomware attacks, and unauthorized access or data misuse. We help clients coordinate forensic reviews, engage with regulators such as the FTC and state attorneys general, and prepare breach notifications and disclosures. We also advise on attorney-client privilege, data retention, and cross-border data exposure issues.

We represent clients in energy, health care, financial services, and tech in regulatory exams, CIDs, and investigations from agencies like HHS-OIG, CFTC, FTC, FINRA, FDIC, OCC, and state regulators.

We represent public companies, investment firms, boards, and individuals in investigations involving alleged accounting irregularities, insider trading, securities fraud, tax fraud, market manipulation, FCPA violations, and breaches of fiduciary duty. Our attorneys defend clients in proceedings initiated by the SEC, DOJ, FINRA, FDIC, OCC, PCAOB and state securities regulators, and manage related shareholder litigation and class actions.

We defend corporations, nonprofits, and executives in investigations led by state attorneys general—whether single-state or multistate. Matters often involve consumer protection, deceptive marketing practices, privacy law violations, health care billing, nonprofit governance, and environmental claims. We assist clients in responding to subpoenas and CIDs, negotiating resolutions, and coordinating multistate defense strategies.

We counsel clients across highly regulated industries—including financial services, insurance, fintech, and health care—through regulatory exams, civil investigative demands (CIDs), internal reviews, and formal enforcement actions. 

Whether you receive an IRS civil summons or a federal tax-grand jury subpoena, you need experienced tax practitioners and litigators to help you navigate this complex and often confusing process. Tax controversies, whether they involve federal, state, or local taxes, are usually won or lost in the audit and investigation phase. Our team’s goal is to help mitigate your tax matter before it ever gets to litigation, and to be fully prepared to vindicate your rights at trial where necessary.