John Mancini is a partner in Mayer Brown's New York office and co-chair of the firm's Global Intellectual Property practice which has been ranked as one of the leading IP practices globally. In addition, John is a member of the firm's Partnership Board. John's practice focuses on litigating copyright, trademark, trade dress, trade secret, and patent disputes in courts across the country, as well as before the Copyright Royalty Board (CRB), United States International Trade Commission
(ITC), the United States Patent and Trademark Office
(USPTO), and the USPTO Trademark Trial & Appeal Board (TTAB). John has successfully tried numerous complex intellectual property cases to successful bench and jury verdicts, all as lead counsel. In his practice, John has represented both public and private companies in a wide range of industries, with a particular concentration on the representation of technology, media and telecom companies, such as Google, YouTube, Motorola Mobility, Spotify, and AT&T, as well as leading global consumer brands, such as Nestlé, Nespresso, Pernod Ricard, Goya Foods, and Mattel.
John has been at the forefront of numerous disputes that have shaped intellectual property law, especially disputes involving the convergence of new media, the Internet and new technologies. John has particular expertise in the digital media space and has represented digital distribution companies in various disputes with content owners, particularly in the music industry.
For his various litigation victories for notable clients in these areas, John has received numerous awards and accolades, including: an "Intellectual Property MVP" by Law360
in 2013, an "IP Star" by Managing Intellectual Property
in 2015, and an “Intellectual Property Trailblazer,” by The National Law Journal
John's experience as lead counsel in numerous complex matters, as well as his exposure to a wide variety of intellectual property issues, has enabled him to successfully resolve matters expeditiously and consensually on behalf of his clients, often without the need for litigation. John also works with clients on intellectual property counseling and transactional matters, frequently advising clients in connection with their overall IP protection and brand-building strategies, including the licensing, disposition and securitization of their intellectual property assets.
John is ranked as one of the "leading lawyers" for trade secret litigation by The Legal 500,
has been recognized in Copyright Litigation by The Legal 500
, and is also ranked in New York Super Lawyers
, Managing Intellectual Property
and IAM 1000
. The Legal 500
describes John as: "very professional and ready to spend all the time he can give to the case;" "approachable and experienced;" "an excellent negotiator and advocate;" and "praised for his 'very deep experience, on both traditional and contemporary copyright issues."