Jonathan Lamberson

Partner at White & Case LLP
Ranked in United States: California
IAM Research

The Patent 1000 focuses exclusively on patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.

Bronze - Individuals: litigation

Known for its expansive international reach and cross-border capabilities, White & Case re-enters the California rankings this year following some shrewd additions to the team. Making the switch from Paul Hastings, Yar Chaikovsky and Philip Ou are powerful allies to have on side when it comes to high-stakes litigation. They know exactly when and how to be aggressive to achieve results, and have sharpened their advocacy skills to a fine point. A key figure in the global IP group, Jonathan Lamberson is a Silicon Valley trial attorney and fount of insight and analysis on SEP issues.


Jonathan Lamberson's Profile

Jonathan Lamberson is a partner in the global intellectual property group based in the firm's Silicon Valley office. As a trial attorney, he has attended over a dozen patent jury trials in districts around the country, including as lead trial counsel for Microsoft in Microsoft v Corel, where a jury in the Northern District of California returned a verdict that Corel had wilfully infringed six Microsoft patents.

He is also a firm expert on fair, reasonable and non-discriminatory (FRAND or RAND) damages and led the damages team in the Huawei v T-Mobile litigation, which involved the assertion of 12 standards-essential patents relating to LTE technology. He is familiar with the practices of standards bodies including the Institute of Electrical and Electronics Engineers (IEEE) and the European Telecommunications Standards Institute (ETSI).

He also has a significant appellate practice. He has participated in several appeals and has argued before the Federal Circuit and Ninth Circuit. He worked on the appeals in Williamson v Citrix, where the Federal Circuit went en banc to significantly change the law for means-plus-function claiming.

He has a significant post-grant practice as well. He is a member of the USPTO patent bar and has participated in multiple inter-partes review (IPR) proceedings, arguing before the PTAB.

Finally, he has participated in a number of meaningful pro bono cases in areas including constitutional rights, discrimination, class action, and immigration matters. One of his pro bono cases was named a Top 100 Settlement in California in 2017 by In another matter, he was able to obtain asylum for a five-year-old unaccompanied minor from El Salvador who fled violence and persecution in his home country.

Firm Profile

White & Case is a global law firm with a longstanding presence in the markets that matter today. The firm’s on-the-ground experience, cross-border integration and depth of local, US and English-qualified lawyers help clients work with confidence in any one market or across many. White & Case guides clients through difficult issues, bringing its insight and judgment to each situation. The firm’s innovative approaches create original solutions to clients’ most complex domestic and multi-jurisdictional deals and disputes.

The firm’s main areas of practice are outlined below.


Clients throughout the world seek the advice of White & Case antitrust lawyers. They count on the firm’s extensive experience in litigation against governmental authorities or private parties, counselling on delicate questions and com­prehensive worldwide coverage of merger control regimes.


Since White & Case’s founding, banking has been at the core of the firm’s practice. Today, the firm represents major banks worldwide, including many of the largest. The firm provides guidance related to acquisition finance, commercial lend­ing, project finance, bankruptcy and debt restructurings, and regulatory advice.

Capital markets

White & Case has a formidable reputation in the field of international securities and finance. Clients benefit from the firm’s capabilities in equity and debt offerings, sovereign issues, high-yield debt, securitisations, derivatives, invest­ment funds and regulatory and broker-dealer matters.

Commercial litigation

Clients entrust White & Case with their ‘must-win’ mat­ters – disputes in which huge sums, invaluable patents and brands, and even out-and-out company survival are at stake. The firm has won major trials and appeals for clients in an array of industries, including financial services, pharma­ceuticals, technology, sports, media and entertainment, and consumer products.

Financial restructuring and insolvency

White & Case is a recognised leader in complex cross-border insolvencies and workouts. The firm represents global clients in all aspects of restructurings, workouts and insolvency matters, including both transactional and litiga­tion matters.

Intellectual property

White & Case was one of the first full-service firms to develop an IP practice. Its lawyers protect and defend clients’ innovations, creative works and brands around the world, offering advice related to patents, copy­right and designs, IP audits and due diligence, licensing and merchandising, sourcing and technology, and privacy and data protection.

International arbitration

White & Case is the only leading global law firm with large and long-established arbitration teams in New York, Washington DC, London, Paris, Geneva, Singapore and Stockholm, along with significant strength in other key cities, including Frankfurt, Moscow, Miami, Seoul, Hong Kong and Sydney.

Mergers and acquisitions

White & Case is among the world’s leading law firms in mergers and acquisitions. The firm advises corporations, financial institutions and private equity firms across a vari­ety of industries, in all manner of complex cross-border and domestic M&A transactions. Its M&A lawyers are leading practitioners in all major jurisdictions around the world.

Private equity

White & Case’s financial sponsor practice has a truly global reach, with market-leading service offerings in New York, London and Hong Kong, as well as fully integrated, full-service private equity practices across Europe, the Middle East and Africa. White & Case represents numerous preeminent large-cap and mid-market sponsors, as well as their portfolio compa­nies, in their domestic and cross-border transactions.

Real estate

White & Case is highly regarded for its skill in helping clients complete complex real estate financings and its in-depth experience with legal matters relating to real estate in­vestment funds. The group handles acquisitions and dispositions, joint ventures, portfolio sales and securitisation, financings and sales/leasebacks.


White & Case’s tax lawyers and advisers are strategi­cally located in financial centres and government capitals worldwide to provide timely, effective advice on evolving tax law and policies. The practice has provided clients with innovative, practical approaches to minimise tax liabilities on issues ranging from mergers and acquisitions to financ­ings and investment fund transactions.


White & Case helps clients manage the risks and maximise the opportunities associated with the increasing regulation of international trade in goods and services. The firm has an interdisciplinary, full-service global trade practice that is one of the world’s largest and most active in trade remedies and in the law of the World Trade Organisation.

White collar

White & Case helps clients deal with government investi­gations and enforcement matters. In addition to years of front-line prosecutorial experience, the firm has substantial experience defending clients through all phases of investiga­tions, as well as criminal and civil enforcement proceedings. Clients include large corporations, as well as individuals prominent in business and political affairs.

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