Lynn Pinker Cox & Hurst name partner John T. “Trey” Cox III joined Gibson, Dunn Crutcher as a partner in Dallas on Wednesday, as he seeks a larger firm where he can grow a national practice.

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“I’ve had several clients over the last few years tell me there would be better opportunities to work together if I had a larger platform,” said Cox, who spent 23 years at litigation boutique Lynn Pinker.