Commercial Litigation lawyers

David Yohay

Counsel

Offit Kurman

David-John Marlow

David-John is an associate in Adams & Adams’ Dispute Resolution department.

Adams & Adams

Davide Ceroni

Attorney at Law, Partner, lic.iur., CAS in Compliance Management About Davide Ceroni provides legal advice in criminal law and procedure, with a particular focus on financial criminal law, as well as international legal assistance in criminal matters. He also deals with cases involving commercial litigation and offers assistance to financial institutions and intermediaries.

Kellerhals Carrard

Davis Frye

Butler Snow LLP

Davit Tabatadze

Head of Litigation

BLC Law Office LLC

Dawn Mertineit

For more than a decade, Dawn Mertineit has represented corporations and their directors and officers in a number of industries in complex commercial litigation, litigating partnership, franchise, real estate, and whistleblower disputes, with a special emphasis on noncompete and trade secrets litigation. She understands that many clients rely on noncompete and nonsolicitation agreements to protect their most valuable assets, while others face hurdles in recruiting and onboarding new employees bound by such restrictive covenants. Dawn brings her experience and knowledge of state and federal laws to help her clients navigate these issues, from drafting agreements and executing rollout and enforcement strategies, to analyzing competitor agreements and proposing recruitment and onboarding plans and prosecuting or defending against claims related to breach of restrictive covenants or misappropriation of trade secrets.

Seyfarth Shaw LLP

Dayna Chikamoto

Associate, New York

Herbert Smith Freehills Kramer

Dean Baxtresser

Dean Baxtresser represents clients in high-profile government litigation and investigations, particularly involving major contract disputes and False Claims Act allegations. Dean leverages a sophisticated understanding of the government contracting ecosystem and extensive experience guiding world-leading companies through their biggest disputes to help clients navigate: Complex commercial litigation involving the False Claims Act Government investigations and congressional inquiries Government contract disputes Bid protests Government audits He advises clients on regulatory compliance obligations related to government contracting, including domestic preferences, procurement integrity, small business rules and cost accounting requirements, as well as regulatory and contractual disclosure requirements with respect to Federal Supply Schedule contracts. Within the transactional context, Dean collaborates across the firm’s global platform to identify opportunities and risks associated with government contracting, including business considerations, transaction structure, government notice and approval requirements, and intellectual property factors. Dean serves as Co-Chair of the Federal Circuit Bar Association’s Government Contracts Committee and regularly presents at committee events. He maintains an active pro bono practice, including advising nonprofit organizations on government grants. Before joining the firm, Dean served as a lead program attorney for the acquisition of military equipment and weapon systems at Marine Corps Systems Command, the United States Marine Corps’ primary acquisition arm. He advised the Marine Corps on issues spanning the entire government acquisition process, including source selection, bid protests, and contract terminations. His practice also encompassed procurement fraud investigations, special reviews of agency procurement policies, contract management, and the acquisition and management of information technology support services.

Latham & Watkins

Debbie Ashenhurst

Debbie is the head of Wilsons' Education team and a partner in our Dispute Resolution team. She also leads our data protection and reputation management practices. Dispute resolution Debbie has a broad commercial litigation practice which includes handling a wide range of contractual, commercial and corporate disputes. She has particular expertise in reputation management including defamation, privacy, confidentiality, data protection and harassment law. Her practice also focuses on information law and she regularly advises clients on compliance with data protection and marketing laws. She has advised businesses, charities and schools on GDPR compliance, responding to subject access and similar requests and bringing or defending claims for breach of confidence, breach of data protection laws, misuse of private information, removal of online material and harassment. Education Debbie's focus is on providing practical and technically excellent advice to schools and parents on education-related matters including the legal and practical aspects of admissions, behaviour and discipline, exclusions and removals, complaints and appeals, SEND and discrimination claims, governance, commercial and contractual issues and safeguarding. She also has experience of drafting and reviewing school contractual, policy and other documents. Her background in dispute resolution, data protection and reputation management is particularly useful when advising clients on contentious matters, information sharing, data protection compliance, subject access and Freedom of Information Act requests and dealing with negative content on traditional or social media. Debbie's advice is informed by attention to the underlying law and a determination to deliver the best result for her clients at a reasonable cost and within a timescale that recognises the fast-paced reality of school life.

Wilsons

Debo Adegbile

Partner Chair, Anti-Discrimination Practice

WilmerHale

Debora Krasniqi

Associate

ADG Legal

Deborah Azerraf

Deborah is a Senior Associate specialising in insurance disputes, product liability and mass toxic and consumer litigation. She is used to working in large-scale litigation and has developed an online tool for claims management in this respect. Deborah is a litigator handling EU-wide disputes related to commercial and product liability, for both manufacturers and insurers. In this respect, she advises clients from a range of industry sectors including automotive, energy, consumer goods and cosmetics both on regulatory aspects and in Court. She has further developed a specific expertise in toxic tort, trying cases relating to alleged risks linked to exposure to chemical substances, including disease-related litigation, environment, successive owners’ disputes, etc. Deborah also takes an active interest in advising online platforms and new technologies developers in the launch of their business in France and any related disputes with the authorities and consumers.

Signature Litigation AARPI

Deborah Brett

Debbie Brett is a partner in the Corporate & Commercial team at Blandy & Blandy. She advises clients on all aspects of commercial and regulatory law and is also experienced in handling commercial disputes. Debbie advises commercial clients in relation to regulatory and compliance matters, including online trading, GDPR and data protection and anti-bribery. She frequently deals with regulators on behalf of her clients, such as the Office of Fair Trading, the Information Commissioner and the Advertising Standards Authority. Debbie has particular experience in relation to intellectual property, advertising and marketing, advising on copy, brand protection and defence of current campaigns. Debbie also provides bespoke training on business regulation and compliance.

Blandy & Blandy LLP

Deborah Evelyn Panjaitan

Partner

AFS Partnership

Deborah Greaves

Principal

Offit Kurman

Deborah Polden

Partner

Squire Patton Boggs

Deborah Sullivan

Deborah is a Legal Director who qualified in 1998 and has worked in Weightmans' Specialty Team throughout her career, specialising in lawyers’ liability claims. She has extensive experience of acting for solicitors and barristers in professional negligence claims arising from a wide range of underlying subject matters. Deborah frequently deals with lenders' claims and cases involving complex commercial transactions. She is particularly adept at dealing with document-heavy claims and has successfully handled several matters arising from personal injury litigation involving brain damage and other catastrophic injuries. She also advises on coverage issues. Deborah has been highly successful in protecting a number of her professional clients from vexatious litigation by obtaining Civil Restraint Orders and has an excellent track record in the management of persistent litigants. Having worked for both mutual indemnity funds and open market professional indemnity insurers, Deborah has a keen insight into the importance of understanding client needs and objectives. A highly experienced litigator, she is equally comfortable with resolving claims by ADR. Deborah is experienced in dealing with solicitors’ disciplinary cases and has drawn upon her considerable knowledge of claims against lawyers and regulatory matters to advise other professionals about risk management and compliance issues. She also regularly publishes articles in the legal press.

Weightmans LLP

Debra Behrendt

Attorney - Litigation and Investigations

Bryan Cave Leighton Paisner

Deepshikha Dutt

Partner and co-lead of the National Professional Liability subgroup

Dentons

Deirdre Crowley

Deirdre Crowley is a Partner in our Commercial Litigation Group, specialising in emerging technology law. Deirdre’s practice is focused on the digital economy, with a particular emphasis on Data Protection, Cyber and Artificial Intelligence. Deirdre was the holder of the prestigious EMEA WIB Data Protection and Privacy Lawyer of the Year 2023 award and was shortlisted for this award once again in 2024. She is a leading authority on GDPR and represents many clients in their dealings with the Data Protection Commission, including in relation to regulatory investigations resulting from cyber incidents, data subject access complaints and own volition inquiries. Deirdre’s practice is primarily focused on technological innovation and digitalisation related advices. She acts for many of the world’s highest profile companies, spanning across sectors ranging from social media platforms, technology, pharma, medical devices manufacturing multinational companies to government departments and regulatory bodies. Deirdre’s practice includes contentious and non-contentious work, making her a trusted advisor of many in respect of their compliance, governance and related contentious defence litigation work. Deirdre is also a partner in Matheson’s Digital Economy Group and together with specialists from our financial institutions group, competition and regulation group and our technology and innovation group, Deirdre is working with clients to deal with the wave of new regulatory compliance obligations coming from Europe in the Digital Markets, Cyber and Artificial Intelligence space. A highly sought after conference speaker, Deirdre is frequently invited to speak at key industry and academic events. Deirdre is a guest lecturer on UCC’s LLM course in Tech and Elaw and the Law Society of Ireland’s Data Protection courses. Deirdre is a voluntary member of the Crawford Art Gallery’s Law and Finance Committee. Recent areas of experience highlights include: Advising many of the world’s largest technology companies headquartered in Ireland in respect of their GDPR, cyber-security and artificial intelligence governance programmes. Drafting cyber and data protection incident response and crisis management policies and procedures, training board and leadership teams on the legal aspects of data security incidents. Representing global online platform and technology companies in regulatory inquiries, including Data Protection Inquiries. Representing clients in high stakes litigation, including procuring urgent High Court injunctive relief in cases involving the theft of commercial data and court relief for multinational companies in the context of emerging technology law. Leading and coordinating high profile cyber incident response teams, dealing with parallel reporting obligations, third party vendor management and engaging with the Data Protection Commission, An Garda Siochana, the National Cyber Security Centre, Interpol and Europol. Advising on post cyber incident commercial disputes and large-scale contentious and non-contentious data subject access complaints. Advising many leading online platforms and hosting providers in relation to their obligations under the Digital Services Act, the Online Media and Regulation Act and emerging laws governing Artificial Intelligence, ethics, compliance and governance. This includes advising on content moderation rules, content take down obligations, law enforcement response procedures, compliance, audit functions and adtech regulation. Advising on the drafting of legislation in the data protection context, including drafting legislation relevant to government departments, regulatory bodies and government authorities. Advising organisations on Data Subject Access Request complaints, particularly in the context of employment litigation, Data Protection Commission Inquiries and GDPR litigation.

Matheson LLP

Demarcus McGee

Attorney

Balch & Bingham LLP

Denis Chang SC

Denis Chang’s Chambers

Denis F. Shanagher

Denis F. Shanagher has more than 42 years of experience in representing clients in complex real estate and construction matters, including contracts, entitlements and dispute resolution. He represents a diverse group of clients in all aspects of the real estate development and construction process, including owners, developers, contractors and ownership association. His expertise includes contract drafting and negotiation, association management, and disputes regarding complex construction defects, design, delay, easements, title, and various aspects of the approval process (CEQA, entitlement, subdivision map act and administrative hearings). He also has significant experience with insurance coverage (advice and litigation for both policyholders and insurers in the real estate and construction context); and general commercial contract disputes. He also has provided counsel in the areas of professional negligence, emphasizing real estate agents, attorneys, accountants and insurance brokers.

Duane Morris LLP

Deniz Oguzkanli

Deniz Oguzkanli, a partner, heads up the firm’s Istanbul office. Described in the Legal 500 2012 as ‘sure-footed’, 2013 edition as ‘extremely competent’ and 2014 as experienced in ‘high-value, complex cross-border disputes’ Deniz initially cut his teeth on matters of serious crime, extradition and business crime. His work for business clients in the fields of regulatory law has seen significant victories in recent years. Most notably he was involved in Operation Blue Sky as well as a matter involving fraud on an international scale, spanning several jurisdictions. Deniz acts for international businesses, banks and other law firms. He is involved in drafting commercial agreements, partnership and joint venture agreements, employment issues and company formations both in the UK and abroad. At the forefront of his advice is his experience in regulatory and financial compliance. In recent years he has introduced and overseen matters involving multi-jurisdictional infringement of copyright and trade mark, as well as substantial commercial contractual disputes. Deniz has long been involved internationally with legal work originating in Turkey and has extensive connections with leading businesses there. He is now leading the development of the firm’s Istanbul office which has been set up to service Turkish businesses with their domestic and international work in this fast moving emerging market. Deniz’ other work includes a seat on the Management Committee of Hackney Law Centre and service as a Labour Councillor in the London Borough of Hackney. He is a member of Amnesty International and a Lawyer for Liberty.

Ronald Fletcher Baker LLP