Clarissa L.Toth


Pittsburgh + 1.412.394.9595

Clarissa Toth focuses her practice on creating, maintaining, and enforcing intellectual property rights in the United States and internationally, primarily in the areas of trademark, trade dress, copyright, false advertising, and unfair business practices.

Clarissa manages global trademark portfolios and assists clients with prosecuting trademarks and maintaining their rights. She regularly counsels clients on enforcing trademark rights around the world, defending brands from online threats, and proper use of brands in social media advertising.

In addition to prosecuting trademark applications in the United States Patent and Trademark Office (USPTO) and abroad, Clarissa has assisted with appeals and cancellation proceedings before the Trademark Trial and Appeal Board (TTAB). She has been responsible for drafting pleadings and motions, drafting and responding to discovery requests, and drafting appeal briefs. Clarissa has also been responsible for drafting successful complaints regarding domain name disputes before the World Intellectual Property Organization (WIPO).

Clarissa is highly active in the Firm's pro bono practice. Her pro bono experience includes representing asylum seekers through Jones Day's Laredo Project, assisting pro se litigants in arbitration proceedings, and engaging with the Firm's Constitutional Policing and Civil Justice Reform project focused on protest activity and police reform. Clarissa is also conversational in American Sign Language (ASL).


  • Liberian immigrant secures remand in Third Circuit seeking cancellation of removal orderJones Day briefed and secured a remand in a pro bono appeal to the Third Circuit on behalf of a Liberian immigrant seeking reversal of the denial of cancellation of removal proceedings.
  • Global systemically important bank (GSIB) conducts risk assessment to determine impact of LIBOR transition on enterprise-wide portfoliosJones Day is advising a GSIB with respect to enterprise-wide portfolios impacted by the LIBOR transition, including conducting portfolio-wide risk impact assessments, analyzing various consumer products, and developing litigation contingency plans.