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Patent Hawk is a full-service patent technical consultancy. As to patents, we do it all: prior art search, prosecution, valuation, and litigation technical/legal tasks: claim construction, infringement and invalidity analyses (prior art and infringement claim charts). Our client base is the full spectrum: inventors, patent holders, and accused infringers. Our mainstay service is prior art (invalidity) search for law firms representing defendants. Platinum Patents, our sister service, helps inventors get patents (prosecution).