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Susan M. Kayser

Fax +1.202.778.9100

Susan Kayser is a partner in the firm’s Washington D.C. office where she is a member of the IP Litigation practice group.

Ms. Kayser litigates and counsels clients including international brands and startups, on trademark, advertising, and copyright matters. The Legal 500 and World Trademark Review have recognized her as an “‘outstanding’ disputes specialist” and a leading trademark litigator and acknowledged her for counseling acumen.

For more than 20 years, she has provided strategic advice to brand owners in the apparel, fashion, luxury, consumer products, and automotive industries and has been on the forefront of contributory infringement law on the Internet. Susan has significant experience in obtaining (and defeating) TROs and preliminary injunctions, including those involving counterfeiting and ex parte seizures. She handles all aspects of USPTO practice, has won numerous oppositions before the TTAB, and obtained fame decisions, including from the National Arbitration Forum.

Complementing her litigation practice, Susan provides clients with results-oriented counseling, manages multibillion dollar worldwide trademark portfolios and worldwide clearance projects, serves as lead negotiator for multi-jurisdictional disputes, and leads IP due diligence teams for brand acquisitions.

Susan litigates false advertising claims under the Lanham Act and counsels clients on compliance with Section 5 of the Federal Trade Commission Act, including testimonials, endorsements, and online advertising issues; efficacy claims for sport and health products; and “Made in the USA” claims. She conducts training for companies on compliance with U.S. advertising laws.

Susan also represents clients in copyright litigation and counsels on protection and enforcement of fabric designs, literary works, architectural drawings, and other original works.

Susan was on the editorial board of Trademarks & Brands Online. She was also a member of the International Trademark Association North American Global Advisory Council and former chair of the Subcommittee on Trademark Policy and Advocacy for the Enforcement Committee. She is coauthor of the chapter “Copyright Damages” for the treatise Calculating and Proving Damages (Law Journal Press 2011) and has written many articles regarding online contributory infringement.

Professional Background

Prior to joining the firm, Ms. Kayser served as a trademark litigator for an international law firm where she represented famous brands. In addition, she also defended against the Lanham Act false advertising claims by competitors. She regularly counseled clients on advertising issues and compliance with Section 5 FTC regulations, including testimonials, endorsements, and online advertising issues, efficacy claims for sport and health products, and "Made in the USA" claims.


  • Managing Intellectual Property “All Star” (2014, 2016-2017)
  • National Law Journal “IP Trailblazer” (2014)
  • Lead lawyer for “Standout” trademark litigation Chloé SAS v. SISCOM, The Financial Times, most innovative US litigations in 2013
  • Consistently ranked as a leading trademark litigator by The Legal 500 US survey (“provides ‘amazing support’ in relation to portfolio management” 2007)
  • Consistently recognized by World Trademark Review as leading trademark practitioner (“outstanding disputes specialist,” 2014)

Speaking Engagements

  • Madison Avenue Meets Hollywood: Navigating Product Placement Deals in Movies and Television, INTA 2018 Annual Meeting, Seattle, May 21, 2018
  • Food Labeling post-POM Wonderful LLC v. Coca-Cola Co., panelist, D.C. Bar Washington, D.C., July 29, 2014
  • The Presumption of Irreparable Harm:  Don’t Stop Believing, INTA 2014 Annual Conference Hong Kong, May 12, 2014
  • Executive Roundtable Series: Protecting Your Business Against Online Counterfeiting and Patent Trolls, Washington, D.C., February 26, 2014
  • E-Discovery: Obtaining Electronic Documents Without Glitches, INTA Leadership, Miami Beach, Florida, November 2013
  • Executive Roundtable Series: Hot Topics in Trademark, False Advertising, and Copyright Law, Washington, D.C., April 27, 2012
  • Winning (And Managing Costs In) False Advertising and Other Lanham Act Litigation Webinar, April 19, 2012
  • Madrid Protocol - Is It Working For U.S. Brand Owners? panelist, INTA Annual Conference Seattle, Washington, May 2009
  • INTA - Trademark Administrators Conference, Madrid Protocol, panelist, Arlington, Virginia, October 2008
  • What’s New in Patent, Trademark and Insurance Coverage Law, panelist, Washington Metropolitan Association of Corporate Counsel (WMACCA), Falls Church, Virginia, April 2008
  • Intellectual Property: Assessing Current and Proposed Reforms in Patent, Trademark, and Copyright, panelist, ABA Section of Administrative Law and Regulatory Practice, The ABA Section of Intellectual Property Law Washington, D.C., October 25, 2007
  • Federal Trademark Dilution Revision Act, moderator, INTA Roundtable, Washington, D.C., April 2007
  • World Intellectual Property Review (WIPR), ‘Physical, conceptual, distinctive’-why the Batmobile is copyrightable (November 26, 2015)
  • E-Commerce Law Reports - volume 15 issue 06, Multi Time Mach. Inc. v. Amazon.com Inc. (November 2015)
  • Operation Choke Point: a tool against online counterfeiting, E-Commerce Law & Policy - PDF Only Ql (May 2014)
  • Combating Contributory Infringement on the Internet, INTA Bulletin - PDF Only (May 1, 2014)
  • The duties of online service providers, TBO Newsletter (March 2014)
  • Counterfeiting: Chloé SAS et al v. Sawabeh Information Services Co., et al., E Commerce Law Reports, Vol. 13, Issue 06 (December 2013)
  • Second Circuit Clarifies Copyright Fair Use Standard (May 2013)
  • FTC Updates Guidance on Online Advertising Disclosures (March 2013)
  • Calculating and Proving Damages, Chapter 8, coauthor, Copyright Damages, Law Journal Press (2011)
  • Recent Copyright Case Developments (August 5, 2011)
  • Sui Generis Right for Databases. Revamped or Redundant? coauthor, IP Intelligence (Fall 2009)
  • 2007 Trademark Law Decisions of the Federal Circuit, coauthor, 57 Am. U.L. Rev. 1039 (2008)
  • Resolving Trademark Disputes Through ADR, Inside the Minds: Intellectual Property Dispute Resolution, Aspatore (2008)
  • Prospective Franchisee Not Covered by Connecticut Act, The Franchise Lawyer, Vol. 3, No.4. (Spring 2000)
  • Summarized opinions of the United States Court of Appeals for the District of Columbia Circuit and the District of Columbia Court of Appeals, Case Digests, Legal Times (November 1997–September 1999)
  • Advertising Fund Disclosures: Lessons Learned From the Meineke Case, coauthor, Franchise Update, 2nd Quarter 1997, at 34, 36 (1997)
  • Back Away From the Benefits, review of the Supreme Court’s 1996–97 term, Legal Times, S48 (July 14, 1997)
  • On behalf of a multi-national consumer goods corporation, the Procter & Gamble Co., secured a consent judgment and permanent injunction against a private-label manufacturer infringing the trade dress packaging and trademarks of a successful teeth whitening line of products.
  • On behalf of the Kipling, Timberland, and Nautica brands, obtained a $31 million damages award, permanent injunction, and transfer of multiple domain names in an action to combat the unauthorized and counterfeit uses of the three plaintiffs’ famous trademarks in multiple domain names and copycat websites.
  • Advised a major Japanese trading company, and its affiliate, in the establishment of a ground­breaking, cross-border e-commerce platform with one of China’s largest state-owned enterprises and its affiliate.
  • As lead trademark counsel for six luxury brand plaintiffs, Chloe, Cartier, Montblanc, Alfred Dunhill, Lange & Sohne, and Panerai, secured summary judgment on contributory trademark infringement and counterfeiting claims against large B2B website, and obtained multiple favorable pre-trial rulings, including highly contested jurisdictional claims over website owner and operator located outside the U.S., and dismissal of all of defendants’ counterclaims including wrongful seizure and violation of the Stored Communications Act.   
  • Advised an international corporation on its acquisitions of clothing and accessories brands, including acquisition of all trademarks, copyrights, and domain names, and related license arrangements.