Mathisworks | Digitalvision Vectors | Getty ImagesLegal technology firm Luminance has raised $40 million in fresh funding from investors to grow its U.S. footprint, capitalizing on the wave of investor interest surrounding artificial intelligence. The company told CNBC that it raised the fresh capital in a Series B funding round led by U.S. venture fund March Capital. "We had lots of interest from lots of VCs," Eleanor Lightbody, CEO of Luminance, told CNBC in an interview on Tuesday. Lightbody said that businesses are investing in AI tools like Luminance's to keep a competitive edge, as well as to reduce costs. Luminance is one firm of the many generating buzz from investors thanks to the hype swirling around artificial intelligence.

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