Catherine E. Napjus

Catherine E. Napjus is an intellectual property attorney at McLane Middleton, focused on patent preparation, patent prosecution, trademark prosecution, trade secrets, and trademark enforcement. She works with inventors, growing companies, and corporations with global operations across technology-driven fields. Her practice supports clients building, protecting, and enforcing intellectual property portfolios. She handles matters involving domestic and international rights, giving clients guidance on strategy, filings, ownership, and protection for valuable innovations and brands across changing competitive markets.

Catherine received a J.D. from the University of Maryland School of Law. She earned a B.A. in Chemistry from Cornell University. Her science background helps her understand technical inventions and communicate complex ideas with clarity. That education supports careful patent analysis, precise drafting, and practical advice for clients seeking protection for products, processes, designs, trademarks, and related assets in competitive markets. This supports key filing decisions before applications move forward.

Catherine also works with copyrights, licensing, and domain name matters as part of broader portfolio development and enforcement. Her experience includes helping clients evaluate intellectual property needs, protect brand identity, and address rights across multiple jurisdictions. She brings organized preparation to applications, prosecution steps, portfolio maintenance, and enforcement questions. Clients benefit from guidance that connects legal protection with business goals, technology value, long-term portfolio planning, and future enforcement strategy decisions.

Catherine E. Napjus is admitted in New Hampshire and Maryland, with inactive California admission and registration before the United States Patent and Trademark Office. Her practice helps clients manage patent and trademark matters from early planning through prosecution and enforcement. She offers practical guidance for domestic and international portfolios, copyrights, licensing, and domain names, supporting successful outcomes through clear communication, technical understanding, and focused intellectual property advocacy for business clients.

Law Office Affiliations

• Attorney, McLane Middleton
• Member, New Hampshire Bar Association
• Member, Maryland State Bar Association
• Member, The State Bar of California

Licensed State

• New Hampshire
• Maryland
• California

Education

• University of Maryland School of Law
  Juris Doctor (JD)
• Cornell University
  Bachelor of Arts (BA)

Awards & Badges