Commercial email and spam: Ohio Rev. Code § 2307.64 (see Ferron v. EchoStar Satellite, 727 F. Supp. 2d 647 (S.D. Ohio 2009)); Ohio Rev. Code § 2319.421
Telemarketing and telephonic anti-solicitation: Ohio Rev. Code § 109.87 (powers of AG); Ohio Rev. Code §§ 4719.01 et seq.
Fax anti-solicitation: Ohio Rev. Code § 4931.75