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  • Patents

Karen G. Johnson-McKewan Partner Patents

San Francisco

Our tech company clients survive and thrive by rapid invention and evolution, often faster than the law can keep up. Litigating for these companies therefore demands as much art as science. An industry that pulses with creativity and constant pressure to change needs an attorney who is part litigator and part visionary.

Karen specializes in litigation that crosses the boundaries between traditional legal practices, and therefore requires inventive and strategic approaches. These solutions, tucked in the creases between law and industry, are why leading technology and Fortune 500 companies hire Karen to resolve their most complex litigation.

Over the past 32 years, Karen has first-chaired state and federal trials, and arbitrated more than a dozen disputes. She manages intellectual property and commercial matters for companies such as Oracle, NVIDIA, Netflix, VMWare and Levi Strauss & Co.

In addition to her legal background, Karen’s relationship management skills give her clients a significant advantage. She knows how to pull together and lead the best team, from multiple disciplines within Orrick, and often involving multiple law firms. An example is as co-lead of Orrick’s Automotive Technology & Mobility group, she brings together the best creative and strategic legal minds with companies changing the future of transportation. Able to unite what were, and will be, competing firms into a single powerful unit takes a special type of leadership, one which Karen has demonstrated time and again.



  • Real Estate
  • Renewable Energy
  • Energy
  • Infrastructure
  • Real Estate Investment Funds

Craig Johnston Managing Associate Real Estate, Renewable Energy


Craig Johnston is an English-qualified Real Estate managing associate in Orrick's London office, with a particular expertise in renewable energy transactions.

Craig counsels developers and investors on the real estate aspects of the acquisition, development, refinancing and sale of renewable energy projects in England and Wales, and negotiates commercial leases for landlords and occupiers across the whole real estate spectrum.

Craig has worked on more than 100 solar energy projects, ranging from 5MW to 30MW projects.



  • Energy
  • Infrastructure

Mariah T. Johnston Managing Associate Energy, Infrastructure

New York

Mariah represents clients in the energy industry on regulatory strategy, compliance and transactional matters.

She focuses her practice on the development of energy infrastructure, including liquefied natural gas terminals and natural gas pipelines, as well as related transactional and financing matters. She routinely advises companies on securing permits and authorizations for major energy projects and has experience with proceedings before the Federal Energy Regulatory Commission, the U.S. Department of Energy, and the U.S. Department of Transportation Pipeline and Hazardous Materials Safety Administration.



  • Employment Law & Litigation

Adélaïde Jomier Associate Employment Law & Litigation


Adélaïde Jomier is an Employment Law lawyer in our Paris office.

Adélaïde advises companies on staff representation, collective negotiation and restructuring (mainly on social plans) with advice and litigation assistance.

Prior to joining Orrick, Adélaïde worked in the Employment, Pensions & Benefits team of Freshfields Bruckhaus Deringer for four years and two years at Bredin Prat.


  • Corporate
  • Technology Companies Group
  • M&A and Private Equity
  • Ethics & Compliance

Nancy Jones Senior Professional Support Lawyer Corporate, Technology Companies Group


Nancy Jones, a Senior Professional Support Lawyer in the London office, is a member of the General Corporate group. Nancy is an experienced corporate and commercial lawyer who has worked as a PSL for over 20 years, with roles in both private practice and in-house.

Before she moved into a professional support role Nancy was an associate in Allen & Overy’s corporate/capital markets team and she also worked for five years as a sole in-house counsel and company secretary in a large UK manufacturing company.



  • Complex Litigation & Dispute Resolution
  • Mass Torts & Product Liability

Jennifer Jones Senior Litigation Career Associate Complex Litigation & Dispute Resolution, Mass Torts & Product Liability

Wheeling, W.V. (GOC)

Jennifer Jones is a member of the Litigation Group in Orrick's Global Operations Center in Wheeling, West Virginia. Jennifer's practice focuses on commercial litigation, product liability and government investigations.

Jennifer has substantial experience defending complex product liability claims, high stakes commercial litigation, class actions, and state and federal government investigations. She also has significant experience managing complex discovery matters, coordinating company-wide fact investigations, coordinating cases across jurisdictions, and working in joint defense groups.

Jennifer is committed to pro bono work and has successfully represented clients in state and federal court, including the Court of Appeals for the Third Circuit where she obtained a reversal and remand. She is a member of the United Way of Allegheny County's Women's Leadership Council and serves on its United For Women Grant Approval Committee.

Prior to joining Orrick, Jennifer worked in the Business and Tort Litigation group at Jones Day in Pittsburgh, Pennsylvania.



  • Real Estate
  • Real Estate Finance
  • Hotels, Resorts & Entertainment

Katherine C. Jones Partner Real Estate, Real Estate Finance

Seattle; Los Angeles

Katie Jones focuses on advising investment funds, fund sponsors, real estate advisors, developers, public and private pension funds and institutional lenders in real property acquisitions and dispositions, secured financing, hospitality, construction and development, joint ventures and other corporate real estate activities.

Katie has developed particular experience in the hospitality sector and is familiar with drafting and negotiating documentation unique to the hotel industry, including construction contracts, hotel management and franchise agreements, in addition to more standard loan documentation, joint venture and purchase and sale agreements.



  • Complex Litigation & Dispute Resolution
  • Trials
  • White Collar, Investigations, Securities Litigation & Compliance
  • Business & Human Rights

Jermain Jones Associate Complex Litigation & Dispute Resolution, Trials

San Francisco

Jermain Jones is an associate in Orrick's San Francisco office and a member of the General Litigation group.

He represents companies and individuals in a broad range of complex civil litigation and white collar criminal matters.  


  • M&A and Private Equity

Thomas Joraanstad Managing Associate M&A and Private Equity

San Francisco

Thomas Joraanstad is a managing associate in the San Francisco office and a member of the firm's M&A and Private Equity Group.

Thomas advises public and private companies in a wide array of transactions, including mergers and acquisitions on both the buy side and the sell side. 



  • M&A and Private Equity

Yong-Nam Jun Of Counsel M&A and Private Equity

Los Angeles; Santa Monica

Yong-Nam Jun, an Of Counsel in the Los Angeles office, is a member of the firm’s Private Investment Funds Department. Yong-Nam focuses on the formation of private equity and venture capital funds and on transactions undertaken by such funds.

Yong-Nam has extensive experience in the fund formation process. He is actively involved in all stages of fund formation, providing advice on terms and marketing strategy, negotiating with placement agents, drafting fund and sponsor documents, negotiating with investors, and providing advice on internal sponsor and management company arrangements. He also represents private equity and venture funds in their investment transactions.

Among his clients are both U.S. and Asia-based private equity and venture fund sponsors and leading institutional investors (including sovereign wealth funds, funds of funds, pension plans and private endowments) that invest in buyout, hedge, real estate, infrastructure and venture capital funds.

Yong-Nam has spoken or moderated at a number of industry conferences in both Korea and the United States and has presented at Harvard Business School and Seoul National University.

He also represents emerging high-technology companies and venture funds in financing transactions.

Before joining Orrick, Yong-Nam was an Of Counsel at DLA Piper in Los Angeles from 2011 to 2014, and a Partner at Kirkland & Ellis LLP in Los Angeles from 2008 to 2011.



  • Antitrust/Intellectual Property
  • Antitrust & Competition
  • Trials
  • M&A and Private Equity
  • Complex Litigation & Dispute Resolution
  • Internet of Things

Jay Jurata Partner Antitrust/Intellectual Property, Antitrust & Competition

Washington, D.C.

As a former Surface Warfare Officer in the United States Navy, John "Jay" Jurata is no stranger to keeping his cool in face of pivotal conflicts. This has served him well in his career as an antitrust trial attorney that has spanned nearly two decades. He has represented some of the biggest names in the technology industry, including Microsoft, Sharp, LG, Panasonic and Fujifilm.

A partner in Orrick's Washington, D.C., office, Jay is the leader of the firm's Antitrust and Competition Group. His practice covers both U.S. and international competition law, with an emphasis on antitrust and intellectual property issues involving technology markets. He is a first chair trial lawyer with extensive experience representing clients in government investigations relating to monopolization and abuse of dominance, mergers and acquisitions, and high-stakes litigation.

He currently co-leads Microsoft’s defense of an antitrust class action overcharge litigation in Canada seeking more than $4 billion in damages (the first “abuse of dominance” case brought under Canadian antitrust law) in addition to representing Microsoft on merger control, antitrust investigations and private litigation arising from patent enforcement. For example, he helped to resolve the Korea Fair Trade Commission’s challenge to Microsoft Corporation’s acquisition of the Nokia devices and services business, with no changes to Microsoft’s pre-acquisition patent licensing practices.

Other recent successes include representing Sharp Corporation in a standards-essential patent licensing arbitration against InterDigital Corporation that sought $390 million in damages, a dismissal of a suit regarding a standards-essential patent dispute against iBiquity and later that year a trial victory for the client on the same issue.

Jay is a recognized authority in the field of antitrust and its overlap with intellectual property, and he speaks and publishes regularly on topics such as standards-essential patents, FRAND, and patent trolls.



  • Intellectual Property

Daniel Justice Managing Associate Intellectual Property

San Francisco

Daniel Justice joined the firm in 2013 and has since worked on matters involving trademark functionality, trademark infringement, copyright infringement, patent infringement, contract disputes and proceedings before the Trademark Trial & Appeal Board.

These matters involved issues such as government contractor immunity to patent infringement; the effect of amendments to a patent licensing agreement; the effect of an expired utility patent for a chemical composition on the validity of a related trademark for medical implants; the copyrightability of short phrases and the merger doctrine; the copyrightability and fair use of religious materials; and multiple oppositions to office actions, and petitions to cancel trademark registrations to the Trademark Trial & Appeal Board.

Daniel has also worked on Internet-related matters involving the legal effect of “browsewrap” agreements; violations of Web page terms of use; the circumvention of technological barriers to access Web pages; violations of the Computer Fraud and Abuse Act; copyright issues related to cache copying of Web pages; the use of “spiders” to collect data from Web pages; the legality of “deep-linking” to web pages; and the legality of search engine aggregation and display of copyrighted Web pages.

Daniel has recently co-authored a scholarly article with Warrington S. Parker III entitled, "The Differing Approaches to Preemption Under the Uniform Trade Secrets Act" that was published in Volume 49, Issue 2 of the Tort Trial & Insurance Practice Law Journal. Daniel is also a contributing author to the NorCal IP Blog, which covers notable new intellectual property case filings and verdicts in the Northern District of California. Links to articles Daniel has authored can be found under the "Publications" section of this bio.