Team Members

• Mark O'Sullivan - Partner - Taxation

Frequently Asked Questions

Other Law Firms in New-york, New York

• Reed Smith LLP - 599 Lexington Ave., 22nd Fl. - Advertising, Technology & Media, Antitrust & Competition, Appellate, Aviation Litigation, Bankruptcy & Commercial Restructuring, Complex Litigation Strategy, Construction and Engineering, Corporate & Securities, Data Privacy, Security, and Management, Employment & Labor, Energy & Natural Resources, Environmental Law, Executive Compensation & Employee Benefits, Export, Customs & Trade, Finance, Financial Services Litigation, Financial Services Regulatory, Global Regulatory Enforcement, Government Contracts & Grants, Government Investigations & White Collar Criminal Defense, Health Care, Hedge Funds, Higher Education, Insurance Recovery, Intellectual Property, International Arbitration, Investment Management, Life Sciences Transactions & Regulatory, Litigation & Dispute Resolution, Pensions, Private Equity, Pro Bono, Product Liability, Public Policy & Infrastructure, Real Estate, Records & E-Discovery, Region-Specific Business, Sanctions, Securities Litigation & Enforcement, Shipping, Sovereign Wealth Funds, Sports Group, State Tax Practice, Tax-Exempt / Nonprofit Organizations, Transactional Tax Practice, Wealth Planning
• Sidley Austin LLP - 787 Seventh Ave. - Accountants/Professional Service Firms Liability, Antitrust/Competition, Appellate, Banking and Financial Services, Communications Regulatory, Complex Commercial Litigation, Corporate Governance and Executive Compensation, Corporate Reorganization and Bankruptcy, Emerging Companies and Venture Capital, Employee Benefits, Energy, Environmental, ERISA Litigation, Financial Services/Consumer Class Actions, Food, Drug and Medical Device Compliance and Enforcement, Food, Drug and Medical Device Regulatory, Government Strategies, Healthcare, Insurance, Insurance/Reinsurance Disputes, International Trade, Investment Funds, Advisers and Derivatives, Labor, Employment and Immigration, M & A, M & A and D&O Litigation, Privacy, Data Security and Information Law, Private Equity, Products Liability, Project Finance and Infrastructure, Public Finance, Real Estate, Securities, Securities & Derivatives Enforcement and Regulatory, Securities Litigation, Tax, Tax Controversy, Technology & IP Transactions, Transportation, Trusts, Estates and Not-for-Profits, White Collar: Government Litigation & Investigations
• White & Case LLP - 1155 Avenue of the Americas - Antitrust, Asset Finance, Banking, Canada, Capital Markets, Climate Change, Commercial Litigation, Data Privacy, Employment & Benefits, Environmental, Financial Restructuring and Insolvency, Indian, Indonesia, Intellectual Property, International Arbitration, International Trade, Israel, Korea, Latin America, Mergers & Acquisitions, Private Clients, Pro Bono, Project Finance, Sovereign Wealth Funds, Sovereigns, Taiwan, Tax, White Collar
• Ashurst LLP - 7 Times Square - Capital markets, Commercial contracts, Commodities, Competition, EU Law and Consumer Protection, Construction, Corporate, Data Protection and Privacy, Dispute Resolution, Employment, Energy and Resources, Environment, Finance, Financial Services Regulatory, Infrastructure, Intellectual Property, Investment Funds, Native Title, Planning, Private Equity, Project Finance, Public Sector and Government, Real Estate, Restructuring, Insolvency and Special Situations, Tax, Transport, Industries
• Kirkland & Ellis LLP - 601 Lexington Avenue - Intellectual Property, Corporate, Real Estate, Restructuring, Government & Internal Investigations, Antitrust & Competition, Litigation, Regulatory, Tax, Benefits & Estate Planning
• Latham & Watkins LLP - 885 3rd Ave., Ste. 834 - Africa Practice, Antitrust & Competition, Australia Practice, Banking, Benefits, Compensation & Employment, Capital Markets, Communications Law, Corporate Governance, Derivatives, Emerging Companies, Environment, Land & Resources, Export Controls, Economic Sanctions & Customs, Financial Regulatory, Government Contracts, Greater China Practice, Healthcare & Life Sciences, India Practice, Indonesia Practice, Insurance Coverage Litigation, Intellectual Property Litigation, International Arbitration, Investment Funds, Islamic Finance, Israel Practice, Korea Practice, Latin America Practice, Litigation, Mergers & Acquisitions, Oil & Gas Transactions, Outsourcing, Private Equity, Private Equity Finance, Product Liability, Mass Torts & Consumer Class Actions, Project Development & Finance, Public & Tax-Exempt Finance, Public Company Representation, Real Estate, Restructuring, Insolvency & Workouts, Scandinavia Practice, Securities Litigation & Professional Liability, Special Situations, Structured Finance & Securitization, Supreme Court & Appellate, Tax, Technology Transactions, Turkey Practice, White Collar Defense & Investigations
• Loyens & Loeff - 555 Madison Avenue - Agency And Distributorships, Administrative Law, Arbitration, Asia-Pacific Investment, Asset-Based Finance, Banking Law, Bankruptcy, Building Law, Capital Market Transactions, Capital Markets, Capital Taxation, Civil Law, Company Law, Competition Law, Construction Law, Contracts, Corporate Finance, Corporate Governance, Corporate Litigation, Corporate Restructuring, Corporate Taxation, Cross Border Contracts, Cross Border Leasing, Employment Law, Energy Law, Environmental Law, Estate Planning, Eu Tax Law, European Community Law, Financial Products, Franchise Agreements, Health Care, Income Tax, Indirect Tax, Insolvency, Insurance, Intellectual Property, International Arbitration, International Structuring Of Corporate Cash Flows, International Tax Planning, International Taxation, International Trade, Joint Ventures, Labour Law, Leasing, Leveraged Buyouts, Litigation, Management Buyouts, Mergers And Acquisitions, Mortgages, Notarial Practice, Private Equity, Privatisations, Property Development, Property Tax, Public Private Partnerships, Real Estate Development, Real Estate Investment, Real Estate Transfer Tax, Real Property, Securities, Shipbuilding, Shipping, Structured Finance, Structuring Investments Funds, Subsidies, Tax Law, Taxation Of Banks, Taxation Of Derivatives, Telecommunications Law, Transfer Pricing, Transportation, Value Added Tax, Venture Capital, Withholding Tax
• Freshfields Bruckhaus Deringer LLP - 601 Lexington Ave., 31st Fl. - Antitrust, Competition and Trade, Corporate Banking Law, Disputes, Employment, Pensions and Benefits, Finance, Intellectual Property and Information Technology, Real Estate, Tax Appeals, Competition and Antitrust, Expand Crisis Management, Crisis Management, Expand Critical Contracts, Critical Contracts, Expand Disputes, Litigation and Arbitration, Disputes, Litigation and Arbitration, Expand Financing and Capital Raising, Financing and Capital Rising, Expand Governance and Risk Management, Governance and Risk Management, Expand Intellectual Property and Brand Protection, Intellectual Property and Brand Protection, Expand Investigations, Investigations, Expand Investment Fund Services, Investment Fund Services, Expand M&A and Similar Transactions, M&A and Similar Transactions, Expand People, People, Expand Real Estate, Expand Regulatory, Compliance and Public Law, Regulatory, Compliance and Public Law, Strategic Decisions
• Morgan, Lewis & Bockius LLP - 101 Park Ave. - Antitrust, Bankruptcy Litigation, Bankruptcy/Restructuring, Capital Markets, Commercial Litigation, Corporate Governance, Corporate Investigations & White Collar, Derivatives, Employment Counseling & Litigation, Energy, Environmental, ERISA Litigation, Finance, Financial Services Litigation, Foreign Corrupt Practices Act (FCPA), Insurance Recovery, Intellectual Property, Intellectual Property Litigation, Labor-Management Relations & Labor Disputes, Mass Torts, Mergers & Acquisitions, Occupational Safety & Health, Outsourcing, Patents, Private Equity, Private Investment Funds, Product Liability & Toxic Tort, Real Estate, Securities Litigation, Tax
• DLA Piper LLP - 1251 Avenue of the Americas - Antitrust and EU Competition, Commercial Contracts, Construction, Corporate, Cross-Border Litigation, Employment, Finance, Intellectual Property, International Arbitration, Litigation and Arbitration, Product Liability, Projects and Infrastructure, Real Estate, Regulatory and Government Affairs, Restructuring, Tax, Technology and Media, White Collar, Corporate Crime and Investigations