Pat Richey

Pat Richey


Chicago, IL

Main: 312.463.5000 Fax: 312.463.5001


With a background in computer science and a previous career as a software engineer, Pat takes a holistic approach in the way he helps clients achieve their business goals. Pat represents clients ranging in size from venture-backed startups to multinational companies in developing, managing, and protecting all aspects of their intellectual property.

Pat builds personal relationships with his clients and believes patent portfolios can tell the story and successes of a business. He makes it a priority to understand his clients’ business and their objectives so he can provide comprehensive services and creative solutions aligned with his client’s goals. Pat has a track record of success with building valuable portfolios for clients, negotiating successful exits, and everything in between.

Pat counsels clients on a variety of intellectual property issues, including prosecuting patents and trademarks internationally. He helps his clients navigate the intellectual property landscape, including providing clearance, infringement, and validity opinions. Pat also provides technical analysis in litigation proceedings and crafts cost-effective client strategies to resolve requests from non-practicing entities.

In addition to developing robust intellectual property portfolios, Pat counsels his clients in a variety of transactional matters. He focuses on drafting and reviewing a variety of licensing and of business agreements, including licensing software and hardware systems, consulting agreements, and non-disclosure agreements. Pat performs due diligence on intellectual property portfolios during mergers and acquisitions, from reviewing prosecution formalities, determining valuations, and identifying open source licensing issues to ensuring key representations and warranties are met.

Pat has extensive experience in computer software, electrical, and mechanical arts, including distributed systems, cloud computing, telematics, machine learning and neural networks, and digital communication systems. Prior to becoming an attorney, Pat worked as a software engineer and consultant at a variety of companies ranging from startups to Fortune 100 companies. Before joining Banner Witcoff, Pat was a partner at a patent boutique in Southern California and served as an adjunct professor teaching courses in intellectual property and patent drafting.

  • University of Illinois
    2003, B.S., Computer Science
  • University of California Davis School of Law
    2011, J.D.

Bar Admissions

  • 2011, California
  • 2018, Illinois

Court Admissions

  • U.S. District Court for the Central District of California
  • U.S. Patent and Trademark Office

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