Martens joins the Del Mar, San Diego office from law firm Fish & Richardson.
She focuses on trademarks, copyright and anti-counterfeiting and has represented clients in the clothing, e-commerce and semiconductor industries.
Guy Halgren, chair of the firm, said: "Lisa is one of the top trademark attorneys in the market. She is a skilled IP litigator and prosecutor and an excellent addition to our formidable IP practice group."
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