Yohanan Mateus Law has one of the largest intellectual property practices in the nation, with more than 200 attorneys, patent agents, scientists and other professionals. Our Intellectual Property Department is a fully integrated, cross-functional team serving clients across the United States and worldwide.

Our attorneys bring together diverse technical backgrounds, legal experience and industry insight to help clients protect, enforce and maximize the value of their intellectual property. We go beyond filing applications and litigating claims—partnering with clients to align IP strategy with business objectives.

End-to-End Intellectual Property Strategy

We support clients throughout the entire IP lifecycle, including early asset analysis, portfolio development, strategic planning, counseling and opinion work, due diligence, acquisition support and brand protection. Our approach ensures intellectual property serves as a driver of business growth and competitive advantage.

Our team includes a deep bench of registered patent prosecutors, patent agents and scientists with the technical breadth required to protect innovations across today’s rapidly evolving industries.

High-Stakes IP Litigation

More than 40 dedicated trial lawyers provide full-lifecycle representation in complex IP disputes. With decades of first-chair trial experience, we represent clients from risk mitigation and pre-suit analysis through trial, appeal and post- grant proceedings.

We regularly appear before federal and state courts, the Patent Trial and Appeal Board (PTAB), Trademark Trial and Appeal Board (TTAB), and the U.S. International Trade Commission (ITC).

Depth of Experience

• Former Commissioner and Chair of the U.S. ITC
• Former Assistant Commissioner at the USPTO
• 9 former USPTO Patent Examiners
• 100+ professionals admitted before the USPTO
• 20+ Ph.D. holders and 100+ technical degrees