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  • Intellectual Property
  • Patents
  • Artificial Intelligence & Machine Learning
  • 3D Printing
  • Internet of Things

Richard F. Martinelli Partner Intellectual Property, Patents

New York

Rich Martinelli develops comprehensive IP strategies which resolve immediate legal needs and safeguard long-term business objectives. He handles all aspects of intellectual property, particularly patent litigation, patent prosecution and client counseling.

He has litigated patents at trial, before the ITC, and on appeal to the U.S. Court of Appeals for the Federal Circuit. Rich has counseled clients and rendered opinions on patent validity, infringement and freedom to use. He is a registered patent attorney with experience drafting patents and practicing before the U.S. Patent and Trademark Office. Rich also helps companies address the novel litigation and transactional IP issues that arise when developing and working with AI and is a frequent lecturer on these topics.

Rich’s patent work has involved a wide range of technologies including image processing, 3d graphics, audio / video compression, computer hardware and software, e-commerce, network technologies, digital rights management and encryption.



  • Energy
  • Renewable Energy
  • Project Finance
  • Infrastructure

Mike Maruca Associate Energy, Renewable Energy

Washington, D.C.

Mike is a member of the Energy and Infrastructure Group.

Mike primarily assists with renewable energy corporate transactions.

Prior to Orrick, Mike helped develop a forest carbon offset project in Alaska, interned at the cleantech trade association Advanced Energy Economy in their wholesale electricity markets group where he focused on FERC issues related to energy storage, and worked at a small hydropower developer in East Africa. Mike served as a Peace Corps Volunteer in Morocco.



  • Capital Markets
  • Equity Capital Markets
  • Debt Capital Markets
  • Corporate Governance
  • M&A and Private Equity
  • Technology Companies Group

Kenneth Marx Senior Associate Capital Markets, Equity Capital Markets

New York

Kenneth Marx, a senior associate in Orrick’s New York office, focuses his practice on corporate and securities law matters, with an emphasis on domestic and cross-border capital markets transactions.

Ken represents issuers and underwriters on public and private offerings of debt and equity securities and liability management transactions, such as exchange offers, tender offers, and consent solicitations. He also guides businesses through all stages of organization and development by advising on ’34 Act and indenture reporting compliance, corporate governance and related regulatory matters, venture capital financings, and corporate and securities law matters arising in connection with merger and acquisition transactions. Ken has served as counsel to companies in a variety of industries, including information technologies and services, life sciences and pharmaceuticals, fintech, infrastructure, advertising, telecommunications, clean technology, financial services, and consumer products.

Before his law career, Ken managed his own company, consulting for technology startups, financial services firms, and advertising agencies on web-based initiatives.



  • Tax
  • Energy
  • Infrastructure
  • Renewable Energy
  • Capital Markets
  • M&A and Private Equity

Michael J. Masri Partner Tax, Energy

New York

Mike is a transactional lawyer whose principal areas of practice are tax, energy and infrastructure.

He regularly advises his clients on energy tax credits, government incentive programs, project developments and financings, mergers and acquisitions (M&A), and all forms of leasing transactions. Mike represents investors and developers in tax equity financings across the renewable energy sector. He also assists clients in a broad range of federal income tax matters, including domestic and cross-border M&A, restructurings, financings, private equity and securities offerings.

  • D: +39 02 4541 3845


  • M&A and Private Equity
  • Corporate
  • Nonprofit Organizations

Nicoletta Massucci Associate M&A and Private Equity, Corporate


Nicoletta Massucci, an associate at in the Milan office, is a member of the European Corporate Group. Nicoletta focuses on administrative and civil law, especially in respect of family, debt recovery and commercial litigation.

She also carries out activities and consulting for national and international non-profit organizations.

Nicoletta qualified as a lawyer in 1978. Prior to joining Orrick, she worked at Studio Legale Tributario in Milan, a law firm associated with Ernst & Young International.



  • Infrastructure
  • Energy
  • Transportation Finance
  • M&A and Private Equity

Daniel Mathews Partner Infrastructure, Energy

New York

Dan manages a leading practice in project development, acquisitions, divestitures and financings in the energy and infrastructure sectors. He currently leads Orrick's Energy and Infrastructure Sector (one of the firm's three focus areas, along with technology and finance), and also serves on Orrick’s Board of Directors.

His key clients include major strategic and financial sponsors who have been involved in many of the largest and highest profile PPP and project development transactions over the past 20 years. Dan advises clients on Public-Private Partnerships, large-scale, complex project financings, and acquisitions and divestitures of projects and project portfolios, leading a team that has the depth and breadth to deliver excellence in every phase of a project, including development, construction, financing and operations, as well as providing leading M&A, restructuring and tax advice.   His key clients include major strategic and financial sponsors who have been involved in many of the largest and highest profile PPP and project financings over the past 25 years.

Dan has long been recognized as a leading practitioner in publications such as Chambers USA (every year since 2005), The Legal 500 and others. Clients described him in Chambers as the “best in the business" and added that "he has an encyclopedic memory about all the deals in the market and a negotiating style that solves problems rather than creating them.”

Dan advises on projects spanning the infrastructure sector, including toll roads, rail, airports, ports, thermal and renewable energy generation, transmission infrastructure, telecommunications infrastructure, and water and waste facilities.



  • Derivatives
  • Structured Finance
  • Energy
  • Infrastructure

Nikiforos Mathews Partner Derivatives, Structured Finance

New York

Mr. Mathews, a partner in Orrick’s New York office, serves as Global Co-Head of the Derivatives group. He is also a member of the Structured Finance, Banking and Finance, and Energy and Infrastructure groups.

His practice focuses on representing financial institutions, governmental and regulated entities, hedge funds and corporate end-users in structuring and negotiating a broad range of fixed income, foreign exchange, commodity, energy and credit derivative products. Among other things, he has successfully negotiated numerous domestic and cross-border hedging transactions relating to leveraged loans and infrastructure transactions. In addition, Mr. Mathews has significant experience in foreign exchange and fixed income prime brokerage issues, as well as various structured products. He also regularly advises clients on derivatives regulation, including rules relating to the central clearing, exchange trading, reporting, recordkeeping and other requirements of the Dodd-Frank legislation, as well as the negotiation of related documentation.

Mr. Mathews is lead editor of Orrick’s publication, Derivatives in Review, which periodically highlights important legal, regulatory and other newsworthy developments in the area of derivatives. He has also published articles in several journals, including on rating agency hedge criteria in connection with structured finance transactions.

Before joining Orrick, Mr. Mathews was vice president and assistant general counsel at Goldman, Sachs & Co. and director and counsel at UBS AG. He also served as a law clerk to the Honorable Nicholas Tsoucalas of the United States Court of International Trade.

From 1999 to 2007, Mr. Mathews held a commission as a Captain in the United States Army Reserve, where he was qualified to practice as a Judge Advocate. A veteran of both Operations Iraqi Freedom and Enduring Freedom, he served as an Operational and Administrative Law attorney in Kuwait, Iraq and Afghanistan.



  • International Arbitration & Dispute Resolution
  • Complex Litigation & Dispute Resolution
  • Employment Law & Litigation
  • Antitrust & Competition

Haruka Matsumoto Senior Associate International Arbitration & Dispute Resolution, Complex Litigation & Dispute Resolution


Haruka Matsumoto is a senior associate and member of the Complex Litigation and Dispute Resolution Group in the Tokyo office.

Haruka focuses on civil and commercial disputes, compliance, labor and employment, and antitrust related matters, in addition to insurance and insolvency for both domestic and non-Japanese companies.

She also participates in the publication of reports on Japanese and foreign employment and labor laws.

Prior to joining Orrick’s Tokyo office, Haruka was an associate at Nagasawa Law Offices.



  • Employment Law & Litigation

Anna Matsuo Career Associate Employment Law & Litigation

New York

Anna Matsuo's practice focuses on advising and counseling employers on a wide range of employment issues and defending employers in litigation before state and federal courts and administrative agencies.

Anna defends employers against a range of employment claims, including discrimination, harassment, retaliation, wrongful discharge, breach of contract, and wage and hour violations. She also provides preventive counseling to employers including advising on compliance issues, preparing employee handbooks and policies, advising on personnel matters including hiring and firing, and drafting employment contracts.

Before joining the firm, Anna practiced at national and regional law firms where she represented management in employment litigation.



  • Banking & Finance
  • Energy
  • Infrastructure
  • Restructuring
  • Latin America

Andrew Mattei Senior Counsel Banking & Finance, Energy

New York

Andrew Mattei, a partner in the New York office, is a member of the Banking & Finance group. Andrew represents both domestic and non-U.S. commercial banks and investment banks in negotiation of complex leveraged and investment grade lending transactions. He has a wide range of experience in first lien/second lien financing and negotiation of intercreditor agreements.

Andrew has extensive experience in cross-border multi-currency, multi-borrower financings and has been the lead attorney in acquisition leveraged buy-outs, tender offer financings, tax free spin-off financings and M&A related work.

Before joining Orrick, Andrew was a partner in the Finance Group at Allen & Overy LLP. Prior to that, he was a partner at Mayer Brown, LLP.


  • Employment Law & Litigation

Sara Mauger Associate Employment Law & Litigation


Sara Mauger is an Employment lawyer based in Orrick’s Paris office.

She advises French and international groups on all French employment and labor law matters. In particular, on the following matters: company restructurings, merger and acquisition transactions, transfer of activity, collective and individual relationships, hiring and termination of top managers, litigation

 Prior to joining Orrick, Sara worked as a legal intern with the Employment team of CMS Francis Lefebvre Avocats in 2017 and 2019, of Lagardère Group, at Fidal and also in the SynerCiel Company.