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  • Antitrust & Competition

Marianna Meriani Associate Antitrust & Competition


Marianna Meriani is a managing associate of Orrick (Rome) and a member of the Antitrust & Competition group.

Marianna assists clients in connection with European and Italian competition law issues in proceedings before the European Commission and the Italian Competition Authority, as well as in ensuing litigation before the European Courts and the Italian administrative and civil courts. Marianna also assists clients in the assessment of the compatibility of various types of agreements (e.g., technology transfer, R&D, distribution agreements) with European and Italian competition rules.

Before joining Orrick, Marianna worked as an associate at Cleary Gottlieb Steen & Hamilton LLP, where she developed a specific expertise in antitrust and administrative law issues (June 2014 – September 2018). Marianna worked as a trainee lawyer at the Attorney General’s Office in Rome, where she mainly focused on administrative law issues.



  • Antitrust & Competition

Pietro Merlino Partner Antitrust & Competition


Pietro Merlino is the Head of Orrick’s Italian Antitrust & Competition practice group, based in the Rome office.

Pietro assists clients in connection with the application of EU and Italian competition rules across a wide range of industry sectors, from energy to media, pharmaceuticals, chemicals, automotive, consumer goods and transportations. He advises and represents Italian and international players in all areas of competition law, including abuse of dominance, cartel and restrictive practices investigations, merger control, licensing and distribution, as well as on general EU law issues.

He regularly appears before the EU courts and Italian civil and administrative courts, as well as before the European Commission and the Italian Competition Authority.

Over the years, Pietro has developed a particularly strong expertise in the application of competition rules in the life sciences’ sector, where he was involved in some of the most prominent antitrust cases of the past decade, as well as in the energy and transportation sectors. In addition, he focussed extensively on the interplay between antitrust law and intellectual property rights.

Pietro is recognised as a leading individual in Italy for EU, regulatory and competition law by Chambers and Partners, The Legal 500 and the Global Competition Review, as well as for healthcare and life sciences by The Legal 500 and the most reputed Italian legal directories. Pietro frequently authors publications on antitrust matters, and lectures at various Italian universities – most recently in the European Competition Law Course at the Law School of the Università degli Studi Roma Tre – and he regularly participates as a speaker at conferences and seminars in Italy and abroad.

Prior to joining the firm, Pietro worked in the Rome and Brussels offices of a leading international law firm for almost two decades.



  • White Collar, Investigations, Securities Litigation & Compliance
  • Internal Investigations
  • Asset Recovery for Corporate Crime Victims
  • Cyber, Privacy & Data Innovation

Mark Mermelstein Partner White Collar, Investigations, Securities Litigation & Compliance, Internal Investigations

Los Angeles

Mark Mermelstein, a trial lawyer with more than 20 first-chair trials, specializes in white collar criminal defense and complex litigation.

Mark Mermelstein, a trial lawyer with more than 20 first-chair trials, specializes in white collar criminal defense and complex litigation, particularly in technology-related matters. He also handles Cybersecurity, Privacy, Litigation and Enforcement matters.

Mark focuses his work representing corporations and individuals facing allegations of securities fraud, healthcare fraud, environmental crimes, violations of the Foreign Corrupt Practices Act (FCPA) and the False Claims Act, mail/wire fraud, and embezzlement.

Mark also focuses on asset recovery for corporate crime victims such as those victimized by cybercrime, including theft of trade secrets, hacking, counterfeiting and other business crimes. In this regard, Mark routinely leads data breach and cybersecurity incident response efforts, as well as proactively advises on data breach mitigation strategies.

Mark has written many articles and has spoken extensively on many aspects of his practice. A frequent commentator on matters related to white collar crime, he has been recommended by Legal 500 in both White Collar Criminal Defense, and Cybersecurity.


  • Structured Finance
  • Banking & Finance

Patrizio Messina Partner Structured Finance, Banking & Finance

Rome; Milan

Patrizio Messina is a dual qualified lawyer (England and Wales, and Italy), a senior legal expert in International Business and Finance. Patrizio is member of the Banking & Finance Group, Partner in charge for Europe and a member of the Firm’s Global Management Committee.

Patrizio is Professor (pursuant to Art. 1, paragraph 12, Law 230/2005) of Corporate Finance Law at Guglielmo Marconi University, School of Law (Rome, Italy). He is visiting Professor in Alternative Finance for SME, European regulation and practice at the King's College Business School, and fellow of the Dickson Poon School of Law at the King's College (London, UK).

Patrizio represents governments, large public companies, global leading banking and financial groups, hedge and private equity funds on complex and pioneering transactions.

Patrizio is (i) a deep expert in Debt Capital Markets transactions spreading from Corporate bonds, Eurobonds, Mini-bonds, EMTN and private placements, to asset finance and securitizations as well as other structured financings collateralized by a large variety of performing and non-performing assets; and (ii) senior advisor in major strategic M&A in Europe with focus in the banking, energy and infrastructure industries.

His experience includes sophisticated banking deals, leveraged finance and tailored funding arrangements.



  • Restructuring

Laura Metzger Partner Restructuring

New York

Laura Metzger is a partner in the Restructuring Group and Office Leader of Orrick’s New York office.

She regularly represents financial institutions, funds and investors involved in bankruptcies, out-of-court restructurings, foreclosures, distressed sales and acquisitions, loan and claims trading, bankruptcy litigation and refinancing involving syndicated loan facilities and debtor-in-possession financing. 

Recognized as “outstanding” by Legal 500, Laura was also named an "up and coming" lawyer by Chambers USA, which praised her “very commercial and solution oriented” approach. She is “a very capable lawyer who gives great advice,” according to clients.

She serves as counsel to lenders, creditors, investors, purchasers and sponsors. Her clients include Wells Fargo, Royal Bank of Canada, Citigroup Financial Products Inc., ECN Capital Corporation, Portigon AG, the Royal Bank of Scotland, Transurban, the Bank of Nova Scotia, Commerzbank, Hackman Capital, Erste Abwicklungsanstalt, and KBC Bank, among others.

Laura has been involved in many prominent bankruptcy and out-of-court restructuring cases, including Legacy Reserves, White Eagle, Lily Robotics, Seadrill, Chaparral, CHC Helicopters, Erickson, GT Advanced Technologies, Hostess, Pocahontas Parkway, Indiana Toll Road, Eagle Bulk, Fresh & Easy, American Airlines, Chemtura Corporation, Lazare Kaplan, Hawker Beechcraft, Metro Fuel, Claim Jumper Restaurants, Abitibibowater, Nortel, Fabrikant, Scotia Pacific, VICORP, Sea Containers, Lyondell, Foxwoods, Delta, US Air, Northwest, Star Diamond, and Ritchie Risk-Linked Strategies Trading (Ireland) Limited. She handles cross-border restructuring matters in major international jurisdictions such as Canada, Europe, and Hong Kong.



  • International Arbitration & Dispute Resolution
  • Complex Litigation & Dispute Resolution
  • M&A and Private Equity

Sebastian Meul Counsel International Arbitration & Dispute Resolution, Complex Litigation & Dispute Resolution


Sebastian advises national and international clients on the resolution of disputes in arbitration and state court proceedings.

He specializes in arbitration proceedings in accordance with the ICC, DIS and VIAC Rules.

His professional focus is on providing legal advice in complex post-M&A and shareholders' disputes, in which he can particularly make use of his many years of experience as an M&A lawyer.

In addition, Sebastian advises his clients in disputes relating to major construction projects, manager liability cases and in other commercial disputes.

He also has extensive experience in advising clients on M&A transactions and corporate law matters.

Besides the above, Sebastian particularly deals with Legal Tech and Blockchain technology developments and frequently shares his expertise by publishing articles in legal and social media.

Before joining Orrick, Sebastian worked in the Munich office of a renowned German law firm and in the Toronto office of a major Canadian law firm.



  • Supreme Court & Appellate

Paul David Meyer Managing Associate Supreme Court & Appellate

San Francisco

Paul Meyer is a member of Orrick's Litigation Group and Supreme Court and Appellate practice.

Before joining Orrick, Paul served as a law clerk to the Honorable Mary H. Murguia of the U.S. Court of Appeals for the Ninth Circuit, and to the Honorable Roger L. Gregory of the U.S. Court of Appeals for the Fourth Circuit.

During law school, Paul served as student co-president of the Berkeley Law Foundation and California Asylum Representation Clinic. He was also a fellow at the UC Berkeley Human Rights Center and a member of the Death Penalty Clinic.  

Before law school, Paul was an award-winning newspaper journalist. He is the recipient of the Livingston Award for Young Journalists for national reporting, the Associated Press Managing Editors' International Perspective Award, and the National Association of Hispanic Journalists’ Award for feature writing, among other national honors.



  • Banking & Finance

Orane Mikolajayk Senior Associate Banking & Finance


Orane Mikolajayk is a banking and finance lawyer in Orrick's Paris Office.

Orane advises French and international financial institutions, corporates and private equity funds on leveraged and acquisition finance and debt restructurings.

Prior to joining Orrick, Orane worked in the Banking & Finance department of Ashurst and of Herbert Smith Freehills.



  • Technology Companies Group

Andrew W. Miller Managing Associate Technology Companies Group

San Francisco

Andrew Miller, a corporate associate in Orrick's San Francisco office, is a member of the Technology Companies Group.

Andrew represents high growth technology companies and venture capital firms in many areas, including corporate and securities law, formation, ongoing corporate matters, mergers & acquisitions, initial public offerings and venture capital financings.

Prior to joining Orrick,  Andrew was a legal intern at Highland Capital Partners, a venture capital firm focused on building companies in the communications, consumer, digital media, healthcare and information technology markets.

Andrew also has previous business experience working for and consulting startups such as Thumbtack, Jebbit and Enservio; investors, including G51 Capital and PV Ventures; and Barclays Investment Bank. Andrew was the first outside investor in Jebbit, a company that provides interactive content management solutions for marketers, which was recognized as one of the most promising companies in the world by CNBC.  

Andrew received his JD/MBA from Boston College in 2015. He is also a 2011 graduate of Boston College’s Morrissey College of Arts & Sciences where he double majored in Economics and Philosophy and was a 2009 Boston College Venture Competition Finalist. He is an avid runner, world traveler and Denver Broncos fan.

Tyler Miller


  • Intellectual Property

Tyler Miller Senior Associate Intellectual Property

New York

Tyler Miller, a Senior Associate in the New York office, is a member of the Intellectual Property group.  Tyler's practice focuses on patent litigation.

Tyler has represented clients in the federal district courts, before the United States Court of Appeals for the Federal Circuit and at the United States Patent and Trademark Office in IPR and CBM matters.  He has experience in matters involving a wide range of technologies, including software, consumer electronics and biotechnology.


  • White Collar, Investigations, Securities Litigation & Compliance
  • Legislative/Regulatory Participation
  • Corporate

Sam Miller Senior Counsel White Collar, Investigations, Securities Litigation & Compliance, Legislative/Regulatory Participation

New York

Sam Scott Miller, senior counsel in the New York office, serves as Chairman of the Market Regulation Group.  He concentrates his practice in the regulation of financial intermediaries.

The following are representative transactions for the Market Regulation Group:

  • International Securities Exchange.  Mr. Miller, and members of the group, acted as counsel to the International Securities Exchange in its registration with the SEC - the first such new exchange in twenty-five years.
  • Charles Schwab & Co. and Off Road Capital.  The group has been in the forefront of electronic brokerage services, including representing Schwab petitioning the SEC for a structural overhaul of the market-data regime, and assisting Off Road Capital in setting up a marketplace for private securities.
  • Citicorp, J.P. Morgan, Chase H & Q, and Wells Fargo.  Mr. Miller and members of the group have recently been counseling financial institutions such as Citicorp, J.P. Morgan, Chase H & Q, and Wells Fargo in their transition under Gramm-Leach-Bliley.

Prior to joining the firm, Mr. Miller was vice president and general counsel of the PaineWebber Group from 1974 to 1987. 



  • Corporate
  • M&A and Private Equity
  • Real Estate
  • Japan

Benjamin Miller Associate Corporate, M&A and Private Equity


Benjamin Miller is an associate in Orrick’s Tokyo office and a member of the Corporate group.

Benjamin regularly works with both international and Japanese clients in a variety of cross-border transactions. His practice focuses on mergers and acquisitions, venture capital, general corporate and real estate matters.

Prior to joining Orrick’s Tokyo Office, he was a foreign attorney at Nishimura & Asahi in Tokyo.