Blakely Sokoloff Taylor & Zafman (BSTZ) is a law firm headquartered in Sunnyvale California (Silicon Valley) specializing in intellectual property law for high tech. It has offices in other major technology hubs of the Western United States including Portland Seattle Los Angeles Costa Mesa and Denver. Annually BSTZ is ranked among the top firms in the nation for number of patents and trademarks obtained as well as quality.