A. John Mancini

Mayer Brown

A. John P. Mancini is a partner in Mayer Brown’s New York office and a member of the global Intellectual Property practice, which was named IP Practice Group of the Year for 2017 by Law360. John has served in various firm management roles, including a prior tenure as global co-chair of the Intellectual Property practice and as a past member of the firm’s Global 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), the 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, LG, Spotify and AT&T.

Education :

  • Georgetown University Law Center, JD, Editor in Chief, The Tax Lawyer
  • Fairfield University, BA, Headmaster Scholar; Alpha Sigma Nu

Admissions :

  • New York
  • Connecticut
  • US Supreme Court
  • US Court of Appeals for the Federal Circuit
  • US District Court for the Western District of Wisconsin
  • US District Court for the Northern District of Illinois
  • US District Court for the Eastern District of Michigan
  • US Tax Court

Activities :

  • New York Intellectual Property Law Association (NYIPLA)
  • International Trademark Association (INTA)
  • American Intellectual Property Law Association (AIPLA)
  • The Sedona Working Group on Best Practices in Patent Litigation
  • Executive Committee, New York State Bar Association Intellectual Property Law Section

Experience :

  • Represented Google and YouTube in defense of related cases for alleged copyright infringement relating to videos posted by users on YouTube. Won summary judgment in a landmark decision that held the Digital Millennium Copyright Act’s “safe harbor” provision protects YouTube against liability for the presence of allegedly infringing videos on the site. (Viacom v. YouTube, Inc. (USDC SDNY)).
  • Represents Google in defense of a copyright litigation case that implicates issues relating to Section 115 mechanical licenses and relates to claims that Google (and other online music retailers) infringes the copyrights of music composers by making their compositions available through their online digital media stores without proper authorization. (Blagman v. Google (USDC SDNY)).
  • Represented Entertainment One in defense of claims for trademark infringement, trademark dilution and unfair competition arising out of a recent rebranding effort to adopt “E1 Entertainment” as its new trade name. Won finding of no confusion in connection with motion for preliminary injunction, which finding was affirmed on appeal. (E! Entertainment Television, Inc. v. Entertainment One GP Limited d/b/a E1 Entertainment, et al. (USDC CDCA)).
  • Represented Nestle USA and Dreyer’s Grand Ice Cream in defense of trademark infringement claims brought relating to the use of Weight Watchers Points trademarks on packaging and websites for its Lean Cuisine and Skinny Cow lines of products. (Weight Watchers Int’l v. Nestle USA, Inc. (USDC SDNY)).
  • Represented Sit-Up, Limited, a division of Virgin Media, in the prosecution of trade secret misappropriation and breach of contract claims involving the alleged theft of its “secret sauce” for a new and innovative approach to a home shopping television entertainment channel. (Sit-Up, Limited v. IAC Corp and Home Shopping Network(USDC SDNY)).


Rate : $$$

What types of cases Attorney A. John Mancini & Mayer Brown can handle?
Mayer Brown can handle cases related to laws concerning Copyright Application, Litigation, Antitrust & Trade, Intellectual Property, Privacy, Trademark infringement, Admiralty & Maritime. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Mayer Brown located?
Mayer Brown is located at 1221 6th Ave, New York, NY 10020, USA. You can reach out to Mayer Brown using their phone line 212.506.2295. You can also check their website mayerbrown.com or email them at [email protected].
How much would it cost to hire Mayer Brown?
A. John Mancini lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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