CAMDEN — Primmer Piper Eggleston and Cramer PC, a regional law firm with offices Vermont, New Hampshire and Washington, D.C., is opening of an office at 5 Elm St. in Camden.

The Camden office of Primmer will be headed by Gregory S. Clayton. Clayton began his legal career clerking at the Knox County Courthouse for Justice David A. Nichols of the Maine Supreme Judicial Court, and has returned to the Midcoast after 30 years practicing in Vermont and New Hampshire.

A graduate of Dartmouth College and Georgetown University Law Center, Clayton is a litigator selected for inclusion in Best Lawyers in America and New England Super Lawyers.

He is a Fellow of the American College of Trial Lawyers, whose membership is restricted to 1 percent of the attorneys of each state.

Clayton will continue his trial practice from the Camden office, and will be offering mediation services to Maine attorneys and their clients.