Katie O’Neill Tran, the founder of O’Neill Tran Law,  has been practicing business and commercial law since 2007.   Katie has spent over ten years assisting entrepreneurs and business owners with a wide array of legal issues; from filing initial trademarks and entity formation,  through obtaining investor funding,  and negotiating contracts with employees, third-party vendors, and customers.  

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Katie, has experience serving as the general corporate counsel  for companies across the United States and the world, including those based in California, Chicago, New York, and Dublin (Ireland).  She has experience not only in domestic business and trademark law, but also in international intellectual property law and commercial litigation.   Katie is an active member of the bar and is licensed to practice law in California, Illinois, New York, and Ireland.  

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Katie is proud to serve clients in her home city of Rohnert Park, CA and the greater Bay Area, as well as those located in Illinois and New York. 

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Professional Affiliations 

Secretary, State Bar of California Business Law Section Partnerships and Limited Liability Companies Committee (2020-2021)

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Member, State Bar of California Business Law Section Partnerships and Limited Liability Companies Committee (2019-2020)

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Programs and Lectures

CLA Annual Meeting: Latest Developments Affecting LLCs and Partnerships" Monterey, CA (October 2019)  

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LUNCH AND LEARN: Trademarks and Copyrights- Why They're Important and How to Protect Them," VenturePad, San Rafael (August 2019)  

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"CRASH COURSE: Contract Law" WORK Petaluma (March 2019) 

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"CRASH COURSE: Business Trademarks- Why They're Important and How to Protect Them," WORK Petaluma (February 2019)  

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