Consumer Data & Digital Marketing
In addition to spanning geographies and jurisdictions, today’s digital ecosystem is increasingly the focus of regulators who are highly sensitive to the complex issues surrounding online behavioral marketing campaigns and other modern uses of consumer data.
- Advised a consumer products company on the implications of its email marketing campaigns under Canadian, US and European electronic-marketing laws
- Assisted clients in implementing and effectuating consumer-choice mechanisms that comply with best practices and regulatory requirements under EU and US law
- Advised a multinational hotelier on creating data analytics strategies, external marketing strategies, and revising online privacy policies to disclose such strategies consistent with legal and regulatory requirements
Cross-Border Data Protection
Data Breach Management
Data Licensing & Strategies
Employer Data Privacy
Data, Privacy & Cybersecurity
Health Information Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation

Cross-Border Data Protection
Cross-Border Data Protection
Our privacy lawyers are well established in Germany, France, the UK, and Italy, and provide sophisticated privacy advice to domestic and multi-national companies and vendors on a wide spectrum of data protection matters. These include global privacy policies, data transfer mechanisms, Privacy Shield assessments, notifications to in-country data protection authorities, General Data Protection Regulation (GDPR) compliance, reviews of new data laws and other compliance steps.
- Advised an international chemicals and specialty materials producer regarding the global implementation of a GDPR compliance program, including the assessment of current practices, the review and amendment of policies, processes and documentation, and the appointment of a central DPO
- Advised a global medical device company on certification of compliance with the US-EU Privacy Shield, data mapping, review and evaluation of internal and external policies and procedures, and vendor contract amendments to comply with Privacy Shield requirements
- Handled a series of large data breaches involving personnel records of employees in the United States and around the world and advised our client on its obligations under the laws of every US state and more than 50 countries; managed communications with the affected employees and various government regulators; and persuaded regulators to forego any claim against our client
Consumer Data & Digital Marketing
Data Breach Management
Data Licensing & Strategies
Data, Privacy & Cybersecurity
Employer Data Privacy
Health Information Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation

Data Breach Management
Data Breach Management
We have guided clients through assessments of and responses to hundreds of data breaches, including some of the largest cyber incidents to date as well as more limited exposures of confidential or proprietary information. We have experience in all types of cyber hazards, including state-sponsored attacks, overseas criminal hackers, ransomware, insider threats and system compromises resulting from misconfigurations.
- Handled a series of large data breaches involving personnel records of employees in the United States and around the world and advised our client on its obligations under the laws of every US state and more than 50 countries; managed communications with the affected employees and various government regulators; and persuaded regulators to forego any claim against our client
- Handled the response to a series of incidents involving the compromise of patient information at a leading California hospital, including overseeing the forensic investigation into the incidents, advising on the applicable legal obligations (e.g., under HIPAA and state laws), preparing a notification and communication program, and recommending appropriate mitigation measures
- Advised more than a dozen health care providers on responses to ransomware incidents, including preservation of privilege, coordination with law enforcement, retention of a forensics provider, communications with affected patients and regulators, and remediation and recovery from the incident
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Licensing & Strategies
Data, Privacy & Cybersecurity
Employer Data Privacy
Health Information Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation

Data Licensing & Strategies
Data Licensing & Strategies
We are a leading provider of legal advice regarding regulatory and transactional issues raised by the development and implementation of big-data strategies and platforms. We use a multidisciplinary approach to identify the goals and address the legal needs of clients with valuable data assets. This coordinated methodology distinguishes us from other firms that may view data solely as a regulatory or intellectual property concern.
- Advised an EHR vendor with the creation and deployment of de-identified health data sets from patient information, including drafting HIPAA de-identification opinions, developing data de-identification policies and procedures, and negotiating agreements with pharmaceutical and biotech companies seeking access to de-identified data sets
- Advised a large informatics company on developing a research data acquisition and analysis platform that included federally and privately sourced data
- Advised a US manufacturer of industrial products on the privacy implications of selling and remotely operating smart devices in the EU
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Breach Management
Data, Privacy & Cybersecurity
Employer Data Privacy
Health Information Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation

Employer Data Privacy
Employer Data Privacy
Our leading employer data privacy practice provides sophisticated advice to domestic and international employers and vendors on a wide spectrum of employee data privacy matters, including employee data protection policies, the international transfer of employee data and employee data subject access rights. We work closely with operational data privacy officers, helping them establish and maintain effective relationships and communications with data privacy authorities in relevant jurisdictions worldwide.
- Revised the online privacy policy of an international provider of HR consulting services to comply with current and future EU law (including GDPR), and developed consent forms for the client’s customers to sign prior to personal data processing
- Defended a claim by an employee against an employer concerning personal data usage and storage information
- Negotiated suitable data processor terms in contracts with vendors (such as payroll and benefits providers) that handle employee data
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Breach Management
Data Licensing & Strategies
Data, Privacy & Cybersecurity
Health Information Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation

Health Information Privacy
Health Information Privacy
We are the premier firm for the healthcare sector and the only health law practice to receive top-tier ratings from Legal 500 US, U.S. News-Best Lawyers, and Chambers USA. We provide sophisticated counsel to clients on the gamut of healthcare data privacy and security issues and regularly develop comprehensive health information privacy and security compliance programs for entities regulated by the Health Insurance Portability and Accountability Act (HIPAA), the Health Information Technology for Economic and Clinical Health (HITECH Act), and related state laws.
- Helped a Fortune 100 pharmaceutical and medical technology company identify corporate divisions subject to HIPAA, assessed the divisions’ compliance with HIPAA privacy and security requirements, prepared a health information privacy and security compliance program for the divisions, and assisted the divisions to implement the program and train affected personnel
- Developed and assisted with implementation of information-asset-and-practice inventories and a corresponding comprehensive data privacy and security compliance program for not-for-profit and for-profit covered entities and business associates, including the integration of HIPAA compliance requirements and business objectives
- Advised a client comprising a healthcare delivery system and payer on the structuring of its operations to maximize the permissible use of patient information under HIPAA and other applicable laws
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Breach Management
Data Licensing & Strategies
Data, Privacy & Cybersecurity
Employer Data Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation

Information Security & Risk Mitigation
Information Security & Risk Mitigation
Our attorneys are experienced in advising corporate counsel and companies’ IT security teams on the complexity of security requirements and evolving best practices. We help clients manage privacy and cybersecurity risks in nearly all aspects of their operations. We have hands-on experience advising on the most challenging issues, including:
- Developed data security addenda for a Massachusetts-based health care system to use with its HIPAA-covered and non-HIPAA covered vendors, and developed a company-wide vendor management policy that fits with the company’s HIPAA security risk analysis
- Advised a Japanese company on its obligations under US law to protect data it would receive as a result of its acquisition of a US-based company
- Vetted consumer privacy and information security risks in multimillion-dollar transactions involving a private equity company’s acquisition of two national data brokers
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Breach Management
Data Licensing & Strategies
Employer Data Privacy
Data, Privacy & Cybersecurity
Health Information Privacy
Technology & Privacy Litigation

Technology & Privacy Litigation
Technology & Privacy Litigation
The collection, use, and disclosure of personal data, along with the deployment of evolving technologies, create significant legal and reputational risks for companies across every sector. These risks can stem from the collection of sensitive data, the implementation of new technologies, a data security incident, or other different data use cases.
McDermott’s Technology & Privacy Litigation Practice Group is a top-ranked team, consistently recognized for successfully handling complex, high-stakes disputes. Clients rely on our sophisticated legal judgment, credibility with courts and adversaries, and disciplined approach to managing risk.
Our team represents clients in litigation, regulatory investigations, and enforcement actions involving privacy, cybersecurity, data governance, and emerging technologies. The team regularly defends organizations in class actions, arbitrations (individual and mass), multidistrict litigation, and government investigations brought by the Federal Trade Commission (FTC), US Department of Health and Human Services Office for Civil Rights, Federal Communications Commission, state attorneys general, and other federal and state regulators.
- Represented a major accounting firm in high-stakes litigation against one of its clients following a data security incident that the client blamed on the accounting firm. We leveraged our deep knowledge of security incidents to successfully obtain a resolution for the accounting firm at a fraction of the initial demand.
- Represented a large digital advertiser in the health marketplace in connection with a Civil Investigative Demand (CID) from the FTC. Succeeded in obtaining a substantial narrowing of the investigation and resolution without any public enforcement action.
- Successfully defended nonprofit hospitals before the Massachusetts Supreme Court in parallel putative class action lawsuits over alleged use of advertising and analytics technologies on their websites.
Data, Privacy & Cybersecurity
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Breach Management
Data Licensing & Strategies
Employer Data Privacy
Health Information Privacy
Information Security & Risk Mitigation

Data, Privacy & Cybersecurity
Data, Privacy & Cybersecurity
Data gives businesses the power to make informed decisions and compete more effectively – but collecting, storing, and using data can result in legal and regulatory exposure. Our cybersecurity lawyers help you navigate that risk while supporting the strategic use of data to enhance your business operations.
We advise on all aspects of data, privacy, and cybersecurity, from developing compliance frameworks and implementing defensible security standards to counseling on product development, AI integration, digital marketing, and data monetization strategies. We also help clients navigate cross-border data transfers, incident response and data breach matters, investigations, regulatory scrutiny, and litigation.
Consumer Data & Digital Marketing
Cross-Border Data Protection
Data Breach Management
Data Licensing & Strategies
Employer Data Privacy
Health Information Privacy
Information Security & Risk Mitigation
Technology & Privacy Litigation
- Advised a major cloud services provider on a multijurisdictional data breach, leading the
incident response and ensuring timely and
compliant notifications to regulators and affected individuals in 20+ countries. This coordination was crucial for consistency in minimizing operational disruption and legal exposure. - Building a comprehensive global data protection program from the ground up, including drafting and updating a complete set of program documentation (data processing agreements, security addenda, EULAs, DPA playbooks, privacy policies, and cookie policies) for a global leading developer of software.
- Providing ongoing business-oriented privacy and cybersecurity advice to a leading global online manufacturer and retailer, where data is essential to the company’s success. We provide globally harmonized advice on complex product counseling and contracting issues