Extended Bio  |   kross@rossipg.com

Katherine Warner Ross

Katherine Warner Ross is an appellate and complex commercial litigation attorney with more than twenty years of experience in the legal industry.  She has handled all aspects of litigation for a wide range of commercial clients in both state and federal court.

Mrs. Ross’ clientele extends from Fortune 500 companies to solely-owned proprietorships, including major chemical and petrochemical corporations, transport and manufacturing conglomerates, leading companies in the food and beverage industry, a professional sports association, a fast food franchisor, various retailers and financial institutions, limited liability holding companies and trusts.  She has litigated a variety of commercial disputes, including those centered around intellectual property, franchise, anti-trust, bankruptcy, lender liability, product liability, domain name disputes, software licensing, and contract and insurance claims.  She has also counseled clients on a range of issues in the technology law field.

Prior to joining Ross IP Group, Katherine worked for large international law firms and an appellate boutique on make-or-break cases involving cutting edge technology and novel legal issues that helped shape product liability law and insurance industry standards.  As the daughter of a small-town lawyer and a fifth-generation attorney, she grew up with an abiding respect for the law and its impact on every aspect of our lives.

Areas of Practice

  • Patent infringement litigation
  • Post-grant patent proceedings
  • Opinions on infringement and validity
  • Trademark infringement litigation
  • Trade secret litigation
  • Trademark oppositions and cancellations
  • Copyright infringement litigation
  • Unfair competition litigation


  • Electronics
  • Semiconductors
  • Software
  • Telecommunications
  • Internet
  • Oil & Gas
  • Materials Science
  • Medical Devices
  • Banking & Finance
  • Real Estate
  • Consumer Products
  • Entertainment & Media