N.H. Rev. Stat. § 21-M:12-a

I. There is established within the department an office of the solicitor general. The office shall be supervised by the solicitor general who shall be a senior assistant attorney general appointed by the attorney general in accordance with the provisions of RSA 21-M:3, and who shall carry out the duties imposed by the section under the supervision of the attorney general and perform such other work as the attorney general may assign. The attorney general shall appoint such other assistant attorneys general pursuant to the provisions of RSA 21-M:3 and such support staff as may be necessary to carry out the provisions of this section within the limits of the appropriations made for the department. II. The duties of the office shall include, but not be limited to the following: (a) Reviewing cases that have been decided against the state and making recommendations on whether to appeal. (b) Representing the state in all criminal appeals to the New Hampshire supreme court or federal court. (c) Representing executive branch officials and executive branch agencies, boards, and commissions in all appeals to the New Hampshire supreme court. (d) Filing amicus curiae briefs in cases in which the state has a significant interest in the legal issue. (e) Providing training to local and county prosecutors on how to develop an appellate record.