G. Warren Bleeker

Partner at Lewis Roca Rothgerber Christie LLP

G. Warren Bleeker is a partner in Lewis Roca's Intellectual Property Practice Group. Warren assists clients in resolving complex IP controversies involving design and utility patents, copyrights, trademarks, trade secrets, and claims of unfair competition. He oversees and employs customized strategies depending on the particular IP rights at issue, the amount in controversy, and the client's budget. He has devised and implemented strategies, including litigation in federal and state courts, cancellation and opposition proceedings before the Trademark Trial and Appeal Board, and patent reexamination proceedings. Warren has trial experience and has argued before the U.S. Court of Appeals for the Ninth Circuit.

Warren has counseled and represented numerous Fortune 500 clients, mid and small-size corporations, nonprofits, and individuals in areas of commerce, including apparel, handbags, and accessories, spirits, wine, and beer, banks, water purification systems, industrial manufacturing, toys, exercise equipment, electronics, cutlery design, oil and gas, photography and photography accessories, food preparation, restaurant, and the music and entertainment industries.

When faced with a time sensitive and complex IP controversy, Warren is the lawyer you want on your side. He is calm and collected, executing aggressive, well thought-out strategies under pressure to achieve his client’s desired outcomes. Clients value his honest and transparent assessment of the risks and benefits of situations allowing for informed decision-making.

Warren is passionate about expanding his own knowledge. With his diverse client base, he enjoys the challenge of learning about the wide range of industries and technologies they represent.

A world traveler, Warren’s most memorable trip was to Rwanda where he and his wife hiked to see endangered mountain gorillas in Virunga National Park and visited Rwandan genocide memorial centers. He most recently traveled to Ecuador in 2019 with his family where they explored Quito, cloud forests, and the Galapagos Islands.



  • Partner

    Current role