Jeanne Hamburg

Nine Norris McLaughlin Attorneys Recognized in 2022 New York Metro Super Lawyers and Rising Stars Lists

Norris McLaughlin Ranked Tier 1 in Media Law International 2022

World Trademark Review 1000 Recognizes Norris McLaughlin and Members Danielle DeFilippis, Jeanne Hamburg, and Bruce Londa

Norris McLaughlin’s Jeanne Hamburg Appointed to INTA Enforcement Committee

Seven Norris McLaughlin Attorneys Recognized by New York Metro Super Lawyers ®

Jeanne Hamburg Listed in New York Metro Super Lawyers® Women’s Edition for 2021

Norris McLaughlin Ranked Tier 1 in Media Law International 2021

Six Norris McLaughlin Attorneys Recognized by New York Metro Super Lawyers®

Norris McLaughlin Listed in Media Law International 2020

Jeanne Hamburg to Speak on Protecting and Merchandising a Restaurant Brand

Jeanne Hamburg to Co-Present Webinar for American and European Digital Content Providers on Copyright and Data Privacy Laws

Jeanne Hamburg to Present Compliance and Branding Webinar with Victoria Ho for Food Industry

Jeanne Hamburg to Present Webinar with Vincent Biscaye for Food and Beverage Startups

Norris McLaughlin Attorneys Named New York Metro Super Lawyers and Rising Stars

Jeanne Hamburg to Speak at Specialty Food Business Summit

Norris McLaughlin Attorneys to Speak on Cannabis for Restaurants

Jeanne Hamburg Ranked in World Trademark Review 1000

Jeanne Hamburg Named Among New York Metro Super Lawyers Again in 2018

Jeanne Hamburg and Danielle DeFilippis Presenters at FoodBiz NJ Conference

Jeanne Hamburg Named Among New York Metro Super Lawyers Again in 2017

Jeanne M. Hamburg Named Among New York Metro Super Lawyers Again in 2016

Jeanne Hamburg Appointed Chair of Law Firm Committee of International Trademark Association

Jeanne Hamburg Speaks on Intersection of Copyright Law and Social Media

Jeanne Hamburg Earns Place in AVENUE Magazine’s Legal Elite, Top Women Lawyers in NYC

Norris McLaughlin, P.A. Wins Preliminary Injunction in Trademark Case for COINTREAU

Norris McLaughlin, P.A. Participates in 2012 InfraGard Security Summit

Jeanne Hamburg Presents Legal Workshop on Intellectual Property at SURTEX

Volunteer Spotlight: Jeanne Hamburg

Norris McLaughlin, P.A. Represents Lombard Risk $4.25 Million Acquisition of SOFGEN Regulatory Reporting Business

Intellectual Property Attorneys to Present CLE Program to the Bar Association of Lehigh County

Jeanne Hamburg Appointed as Vice Chair of Law Firm Committee of International Trademark Association

Jeanne Hamburg Discusses Ethics Issues on International Trademark Association Webcast

Jeanne M. Hamburg To Speak on Trademark and Copyright Issues on the Web at Hudson Valley Bank

Jeanne M. Hamburg Named Among New York Super Lawyers

Jeanne Hamburg to Serve as INTA Faculty Member for Trademark Basics Course

Norris McLaughlin, P.A. Introduces New Internet Law Section

Jeanne Hamburg to Participate in Panel at NYSBA Intellectual Property Law Section’s Annual Meeting

Jeanne Hamburg To Serve as INTA Faculty Member for Trademark Basics Course

Jeanne Hamburg Speaks To IFDA – NY Chapter About Intellectual Property Issues

Jeanne Hamburg Speaks To Women’s National Book Association About Copyright Issues

Norris McLaughlin, P.A. Wins Precedential Third Circuit Dismissal of Trademark Case

Jeanne Hamburg Appointed to Board of Women’s Jewelry Association, Metro Chapter

Jeanne Hamburg Published In Colored Stone Magazine

Articles

Publications

• Interviewer, “Educational Programming for Law Firm Members at the 2015 Annual Meeting,” April 13, 2015, INTA
• Interview, “Don’t Miss: A Day of Programming Designed Specifically for Law Firm Members at the 2015 Annual Meeting,” INTA Bulletin, Vol. 70, No. 6, March 15, 2015
• Quoted, “New Web Domain Names: Should You Pass?,” InformationWeek, March 22, 2013
• “Final Rules For Implementing The America Invents Act (AIA),” NM Intellectual Property Law Alert, September 2012
• “Corporate Social Media: Marketing Opportunities, IP Challenges,” Metropolitan Corporate Counsel, June 2012
• “Why Does My Company Need Terms of Use and a Privacy Policy For Its Web Site?“, NMM Internet Law Alert, April 2012
• Interview, “Raise Your IP IQ: Tips from Jeanne M. Hamburg, New York ‘Super Lawyer’,” SURTEX’s On The Surface eNewsletter, March 2012
• Quoted, “Volunteer Spotlight: Jeanne Hamburg,” INTA Bulletin, Vol. 67, No. 5, March 1, 2012
• Quoted, “Brewers settle trademark dispute,” The Morning Call, December 7, 2011
• Quoted, “Ignoring requests for software audits can prove to be costly,” Eastern Pennsylvania Business Journal, July 4, 2011
• Co-Author, “Branding to the Right of the Dot: New Generic Top-Level Domain Names Are About to Change the Face of the Internet. Is Your Company Ready?” NM Internet Law Alert, July 2011
• Author, “Email Solicitation: Are You Complying with the CAN-SPAM Act?” NM Internet Law Alert, April 2011
• Author, “A Giant Step Forward for Design Protection,” International Furnishings and Design Association Newsletter, Network Fall 2010, Page 5
• Author, “What is a Keyword Purchase of Your Trademark from an Internet Search Engine and How Does It Affect Me or My Company?” NM Internet Law Alert, November 2010
• Author, “What is a Keyword Purchase of Your Trademark from an Internet Search Engine and How Does It Affect Me or My Company? (Part 2),” WNBA-NYC Newsletter, October 2010
• Author, “What is a Key Purchase of Your Trademark from an Internet Search Engine and How Does It Affect Me or My Company? (Part 1), WNBA-NYC Newsletter, September 2010
• Interviewed, “Attorney Jeanne Hamburg talks to Rhona Whitty about the Agency Model,” WNBA-NYC Newsletter, June 2010
• Author, “What To Do When Someone Steals Your Web Site Content and You Do Not Know Who Did It,” NM Internet Law Alert, May 2010
• Author, “What To Do If Someone Steals Your Website’s Name or One Like It,” NM Internet Law Alert, April 2010
• Author, “Copyright and Trademark Law in the United States,” Encyclopedia of Library and Information Sciences, Taylor & Francis, 2010
• “Business Without Borders – An International Business and Tax Planning Blog,” May 2010 to Present
• Author, “Pending ‘Orphan Works’ Bill Will Impact Authors and Publishers, WNBA-NYC Newsletter, December 2008
• Author, “Pending ‘Orphan Works’ Bill May Imperil Your Design Rights,” IFDA Network, News-Magazine of International Furnishings and Design, Fall 2008
• Compiler, “For Jewelry Industry Executive Association, Phyllis Bergman, Business Success Has Familiar ‘Ring’ To It,” Commerce Magazine, October 2008
• Author, “Copyright Conveyances: Work Made for Hire vs. Assignments,” Women’s National Book Association-NYC Newsletter, September 2008
• Author, “Copyrights and Trademarks: Almost Everything You Need to Know,” Casual Connect Magazine, July 2008
• Author, “Copyright and Trademark Protection in the Gaming World,” GameDaily web site, November 13, 2007
• Author,”Marking Your Turf,” Colored Stone Magazine, July/August 2007 and Women’s Jewelry Association Newsletter, October 2007 and Jewerly Design Professional Network Online Newsletter, Winter 2007
• Quoted, “Reaping the Benefits of Your Copyright Assets,” New Jersey Business Magazine, June 2005
• Co-author with Eric Slater, Esq., American Chemical Society, “3 Crucial Questions—and Answers—for Protecting IP in a Deal,” American Corporate Counsel Association’s (ACC’s) Docket Magazine, March 2005
• Author, “High Court Rules Trademark Use May Be Confusing, But Still Fair ,” New York Law Journal, February 2, 2005
• Author, “Intellectual Property Aspects of Mergers & Acquisitions: What Every Attorney Should Know,” The Metropolitan Corporate Counsel, February 2005
• Editor, “Trademark Basics,” International Trademark Association On-Line CLE Accredited Course Offering (launched September 2004; offered September 2005 and on continuous basis at periodic intervals)
• Author, “Intellectual Property Aspects of Mergers & Acquisitions: Part I of II—Conducting Due Diligence,” August 2004; “Part II of II—Documenting the Transaction,” October 2004
• Interviewed, “Depth and Diversity Enhance IP Practice at Norris, McLaughlin & Marcus ,” The Metropolitan Corporate Counsel, June 2004
• Author, “Life Plus Seventy: Trademarks Won’t Extend Duration of Copyright,” World Trademark Law Report, September 24, 2003
• Author, “Trademark Law and the ‘Bodily Appropriation’ of a Creative Work,” Outside Counsel column in New York Law Journal, March 19, 2003 (versions of article also appeared in The Intellectual Property Strategist (April 2003) and IP Law & Business (April 2003))
• Author, “Protecting Publishers’ Rights to Terminate,” The Intellectual Property Strategist, Vol. 8, No. 10, July 2002. Section on copyright and trademark law, Encyclopedia of Library and Information Science, Marcel Dekker, Inc., 2003
• Co-author, “Will Mickey Mouse Get a New Lease on Life? Constitutional Questions on the Extension of the Copyright Term,” The Licensing Journal, June/July 2002
• Co-author, “U.S. Copyright Law Digest,” Martindale-Hubbell Law Digest, 2002
• Author, “Negotiating Across Cultures in the New Millennium” and co-author, “International Negotiations, A Cultural Perspective,” The ABA Guide to International Business Negotiations, American Bar Association, 2000
• Co-author, “Streetwise and the Duty to Perform Trademark Searches,” The Intellectual Property Strategist, Vol. 5, No. 3 at p. 1, December 1998
• Co-author, “When Protecting the Parodist Means Diluting A Trademark: The Tension Between the Parodist’s Right of Free Expression and the Trademark Owner’s Right Against Dilution,” Intellectual Property Litigation, Summer 1997
• Author, “Who ‘Framed’ CNN and Reuters?,” New York New Media Association News, May 1997 (lead article); The Internet Newsletter: Legal & Business Aspects, May 1997
• Co-author, “Who Owns the Skyline? A Trademark, Copyright and First Amendment Conundrum,” Intellectual Property Litigation, Fall 1996
• Co-author, “Are Net Providers Liable for Users’ Infringement?,” The National Law Journal, at p. C4, February 12, 1996
• Author, “False Attributions: Where Copyright and Trademark Law Meet,” American Intellectual Property Law Association’s Selected Legal Papers (dated February 1996, published in 1997) (based upon presentation at annual meeting attended by 2,000 attorneys)
• Author, “Application of Trademark Law to Copyrightable Works,” Intellectual Property Litigation, at p. 1, Summer 1995
• Co-author, “‘Reverse Passing Off’ May Apply to Literary Works,” The National Law Journal, at p. C26, May 8, 1995
• Co-author, “The ‘New’ Doctrine of Subliminal Confusion,” New York Law Journal, at p. 1, April 13, 1995
• Co-author, “Fabric For the Future: Courts Should Apply the Supreme Court’s Decision in Feist to Cases Involving Copyright Infringement of Fabric Designs,” Intellectual Property Litigation, at p. 8, September 1994
• Co-author, “Deduction of Income Taxes From Awards of Profits Attributable to Innocent Copyright and Patent Infringement,” Intellectual Property Litigation, at p. 5, March 1994
• Co-author, “International Negotiations: A Cultural Perspective,” The ABA Guide to International Business Negotiations, American Bar Association, 1994, at p. 5, adapted in 40 The Practical Lawyer 53, July 1994
• Author, Note, “When Prior Pay Isn’t Equal Pay: A Proposed Standard for the Identification of ‘Factors Other than Sex’ Under the Equal Pay Act,” 89 Colum. L. Rev. 1085 (1989) (cited in Aldrich v. Randolph Central School District, 963 F.2d 520, 525 (2d Cir. 1992), cert. denied, 113 S.Ct. 440 (1992) and Christiana v. Metropolitan Life Ins. Co., 839 F.Supp. 248, 254 (S.D.N.Y. 1993)

• “Protecting Your Restaurant Brand After Covid-19 | How to turn your brand into a money-earner, even if you’ve ceased operating,” New York State Restaurant Association, Webinar, May 11, 2021
• “U.S. Legal E-commerce Essentials for Food Businesses,” West Africa Trade and Investment Hub, Webinar, April 27, 2021
• “U.S. Corporate and Branding Legal Essentials for Food Businesses,” West Africa Trade and Investment Hub, Webinar, April 20, 2021
• “Catering Contracts Post COVID-19: What Operators Need to Know,” New York State Restaurant Association, Webinar, April 8, 2021
• “Cost-Saving Secrets to Streamlining Complex Patent and Trademark Litigation,” Norris McLaughlin, P.A., Webinar, December 16, 2020
• “The Future Is Served – Understanding the Issues and Risks Involved When Using 3D Printing in Food Manufacturing,” Specialty Food Association, Specialty Food Live! 2020, Webinar, September 24, 2020
• “The Pandemic Recovery: Debt Recovery Options Facing New York’s Restaurant Industry,” New York State Restaurant Association, Webinar, September 15, 2020
• “Negotiating New York Restaurant Leases in the Wake of COVID-19,” New York State Restaurant Association, Webinar, June 30, 2020
• “Contracts & COVID-19: What Restaurants Need to Know,” New York State Restaurant Association, Webinar, May 7, 2020
• “Contracts and COVID-19: Managing Obligations Now and in the Future,” Specialty Food Association, Business Continuity: Risk Mitigation Planning Webinar Series, April 30, 2020
• “How to Implement Psychology Based Marketing on All Your Platforms and Protecting and Merchandising Your Restuarant Brand,” International Restaurant NY, New York, New York, March 9, 2020
• “A Comparison of European and American Copyright and Privacy Laws Affecting Digital Content Providers,” Norris McLaughlin, P.A., Zoom Meeting, March 3, 2020
• “Compliance and Branding for the Food Industry,” Norris McLaughlin, P.A., Zoom Meeting January 28, 2020
• “Best Practices for Branding and Marketing Your Restaurant,” Norris McLaughlin, P.A., Zoom Meeting, September 24, 2019
• “Business & Legal Planning for Food & Beverage Startups,” Norris McLaughlin, P.A., Zoom Meeting, June 12, 2019
• “Trademark and Copyright Litigation,” Norris McLaughlin, P.A., Allentown, PA, May 31, 2019
• “Managing Risk: Minimize, Monitor, and Control,” 2019 Specialty Food Association Business Summit, Hilton Rosemont Chicago O’Hare, Chicago, IL, April 8, 2019
• “Exploring the Legal Haze of Cannabis for Restaurants,” Norris McLaughlin, P.A., WeWork 222 Broadway, New York, NY, March 26, 2019
• “Exploring the Legal Haze of Cannabis for Restaurants,” International Restaurant & Foodservice Show of New York, Jacob K. Javits Convention Center, New York, NY, March 5, 2019
• “A Taste of Trademarks and Other Issues Affecting the Food & Beverage Industry,” Norris McLaughlin, P.A., New York, NY, November 15, 2018
• “Appetite for Branding,” FoodBiz NJ, Somerset, NJ, April 24, 2018
• “An Appetite for Branding: Securing Trademark Protection,” Norris McLaughlin, P.A., Bridgewater, NJ, January 30, 2018
• “An Appetite for Branding: Securing Trademark Protection,” Rutgers Food Innovation Center, Bridgeton, NJ, November 30, 2017
• “Trademark and Copyright Litigation,” Norris McLaughlin, P.A., Allentown, PA, July 20, 2017
• “Trademark and Copyright Litigation,” Norris McLaughlin, P.A., Bridgewater, NJ, June 23, 2017
• “Trademarks, Copyrights, and Restrictive Covenants: How to Recognize and Protect Your Client’s Rights,” Norris McLaughlin, P.A., New York, NY, April 20, 2016
• “Trademarks, Copyrights, and Restrictive Covenants: How to Recognize and Protect Your Client’s Rights,” Norris McLaughlin, P.A., Bridgewater, NJ, December 1, 2015
• “To Tell or Not to Tell: Conflicts of Interest in Trademark Practice,” Moderator, International Trademark Association “Maintaining the Perfect Partnership” Conference for In-house and Outside Counsel, New York, NY, March 5, 2014
• “Safeguarding Trademarks and Copyrights On the Web,” SURTEX 2013, Javits Convention Center, New York, NY, May 20, 2013
• “Look Before You Tweet (or Post, or Pin): Copyright Enforcement (or not) in Social Media,” The Copyright Society of the U.S.A., New York, NY, January 22, 2013
• “Trademark & Copyright Issues in Social Media and the Web,” Beanstalk, New York, NY, December 12, 2012
• “Trademark & Copyright Issues in Social Media and the Web,” Beanstalk, New York, NY, December 12, 2012
• “2012 InfraGard Security Summit,” New York, NY, September 12, 2012
• “Opportunities & Challenges in the Expanding Digital World: Trademark & Copyrights Issues on the Web,” SURTEX, May 22, 2012
• “Intellectual Property for the General Practitioner: Patents and Trade Secrets,” Bar Association of Lehigh County, Allentown, Pennsylvania, October 4, 2011
• “Hot Topics in Internet Law,” Norris McLaughlin, Bridgewater, NJ, January 19, 2011
• “Hot Topics in Internet Law,” Norris McLaughlin, New York, NY, January 20, 2011
• “Intellectual Property on the Web: Trademark, Copyright and Patent Issues That Impact All Companies in the Internet Age,” Bridgewater, New Jersey, June 17, 2010
• Speaker, New York State Bar Association Annual Meeting, Hilton New York, January 26, 2010
• Speaker, “International Trademark Association’s (“INTA’s”) U.S. Trademark Basics Crash Course Program,” October 9, 2009
• Speaker, “Trademarks in Designs, Product Shapes, Logos and Brands,” International Furnishings Design Association, New York Chapter, Better Business Boot Camp Series, September 10, 2009
• Speaker, “Copyrights in Creative Designs,” International Furnishings Design Association, New York Chapter, Better Business Boot Camp Series, July 16, 2009
• Speaker, “Hot Property: Copyright Basics for Publishers and Authors,” Women’s National Book Association, New York Public Library, Jefferson Market Branch, New York, New York, January 21, 2009
• Speaker, “Electronic Copyright Transfer ,” Professionals/Rights and Permissions Advisory Committee, Professional Scholarly Publishing Division of the Association of American Publishers, Annual Conference, May 8, 2006
• Prepared and delivered Trademarks presentation to executives of leading manufacturing company (Firm client), April 4, 2006
• Speaker, “Trademarks,” Yorktown Bar Association, March 29, 2006
• Project Chair and Contributing Editor, “Legal Ethics and Professionalism for Trademark Practitioners,” E-Learning Program, International Trademark Association On-Line CLE Accredited Course Program (launched October 22, 2006 and offered on continuous basis at periodic intervals)
• Speaker, “Trademarks,” Norris McLaughlin, P.A. Client Seminar, Raritan Valley Country Club, Bridgewater NJ, October 18, 2005
• Project Team Manager, (Session One) and Facilitator (On-Line Chat), “TTAB Basics,” International Trademark Association On-Line CLE Accredited Course Offering (launched June 2005 and offered on continuous basis at periodic intervals)
• Project Team Manager, “Work/Life Balance—Caring for Family While Working,” New Jersey Corporate Counsel Association, Women’s Networking Committee Reception, June 15, 2005
• Prepared and delivered Trademarks Seminar to executives of leading financial services company (Firm client), May 19, 2005
• Speaker, “Political Parody: IP Owners Aren’t Laughing,” 20th Annual Intellectual Property Conference, Intellectual Property Law Section of the American Bar Association (April 14, 2005). Similar presentations also delivered to New Jersey Intellectual Property Law Association (February 17, 2005), New York Intellectual Property Law Association (November 19, 2004) and Copyright and Trademark Committee of the New York State Bar Association’s Entertainment, Arts and Sports Law Section (November 9, 2004)
• Speaker, “Trademark and Copyright Year in Review ,” 5th Annual CLE Expo, Minority Corporate Counsel Association, March 8, 2005
• Speaker, “Copyright from the Corporate Perspective ,” Norris McLaughlin, P.A. In-House Seminar, January 11, 2005 and June 22, 2004
• Speaker, “Copyright and Trademark from the Corporate Perspective,” Norris McLaughlin, P.A. Client Seminar, Raritan Valley Country Club, Bridgewater NJ, September 28, 2004
• Speaker, “The Digital Millennium Copyright Act: Its Promise and Pitfalls ,” Association of American Publishers, Rights and Permissions Committee Annual Conference, May 19, 2004
• Speaker, “Intellectual Property Aspects of Mergers & Acquisitions: A Case Study,” “Advanced Topics in Copyright Law,” Association of the Bar of the City of New York, May 6, 2004
• Speaker, “The Madrid Protocol,” Baker Botts Intellectual Property Retreat, 2003
• Moderator, “A Roundtable Discussion of the Supreme Court’s Decision in Moseley dba Victor’s Little Secret v. V. Secret Catalogue, Inc.,” hosted by New York Intellectual Property Law Association, April 10, 2003
• Speaker, “DMCA: Highlighted Provisions and Recent Proposed Legislation,” “Copyright in the Digital Age,” Seminar sponsored by Copyright Clearance Center, Inc. and Society for Scholarly Publishing, April 3, 2003
• Speaker, “Enforcing Trademark Rights on the Wild, Wild Web,” Baker Botts Intellectual Property Retreat (2001)
• Prepared and conducted Publishing Seminar focusing on new media rights for large medical publisher, February 1999
• Invited Speaker, “Applying Section 43(a) of the Lanham Act to Copyrightable Works,” 1995 Annual Meeting, American Intellectual Property Law Association, speech published in Intellectual Property Litigation, Winter 1995

• Litigated through appeal to Federal Circuit Court of Appeals opposition to marks for snack foods based on descriptiveness and genericness; resulting decision pronounced by Law360 as one of the most important trademark decisions of 2018.
• Secured consent judgment and two contempt judgments totaling more than $1.5 million in trademark infringement and cybersquatting action against infringer of plaintiff’s BLANCO mark for high-end faucets and sinks, in U.S. District Court, Southern District of Florida; successfully defended Eleventh Circuit appeal therefrom, resulting in affirmance.
• Lead attorney, winning preliminary injunction from U.S. District Court in Texas based on trademark infringement and dilution of client and plaintiff’s COINTREAU mark, with court finding mark is famous and diluted CONTROY mark; subsequently secured Consent Judgment precluding manufacturer and importer from any use of CONTROY.
• Enforce trademarks and copyrights against counterfeits on Amazon and other e-commerce platforms and resolve federal trade dress litigation and other claims brought against client, apparel company with nationwide sales at large chain stores.
• Oversee management of global trademark portfolio, copyright prosecution, and draft and negotiate publishing agreements and merchandise license agreements with parties around the world for client, heir to copyrights and trademarks of famous author.
• Successfully defended Trademark Trial and Appeal Board inter partes case brought against client, Allentown, Pennsylvania-based beer brewer, for cancellation of trademark registration, by competing brewer; uncover evidence of abandonment of mark by petitioner, followed swiftly by withdrawal of cancellation; as part of settlement, client not required to make any changes in use of mark.  Case generated front-page coverage in Pennsylvania-area press.
• Prosecuted trademark infringement action in U.S. federal district court in New York brought by Italian maker of clothing and handbags against infringer, U.S.-based watch company, which launched clothing line using client’s mark.  Favorably settled action following court-appointed mediation before federal magistrate.
• Lead attorney defending federal court action for trademark infringement brought by market leader in cosmetics industry; won summary judgment dismissing case on grounds competitor’s 30-year-old “mark” was generic.  Successfully defended Third Circuit appeal therefrom, judgment affirmed on grounds of lack of secondary meaning.
• Lead attorney defending federal court copyright infringement action, also alleging breach of “click-through” license agreement, brought by leading healthcare ratings provider against hospital. Case drew attention of General Counsel of Copyright Office.
• Worldwide enforcement of trademarks and copyrights owned by leading producer of famous video game, including supervision of foreign litigation.  Draft merchandise licenses for same client.
• Trademark clearance, prosecution, and enforcement for one of the world’s largest inter-dealer brokers.

Jeanne Hamburg has earned the Martindale-Hubbell AV Preeminent^® status. A description of the selection methodology can be found here.

Jeanne Hamburg has been selected to the New York Super Lawyers list 2009 – 2022. The Super Lawyers List is issued by Thompson Reuters. A description of the selection methodology can be found here.

“THE WORLD’S LEADING TRADEMARK PROFESSIONALS 2018” by World Trademark Review