S.C. Code Ann. § 39-8-60
(B) In any civil action where discovery is sought of information designated by its holder as a trade secret, before ordering discovery a court shall first determine whether there is a substantial need by the party seeking discovery for the information.
"Substantial need" as used in this section means:
(J) This section applies to any civil action brought within or without this State where discovery is sought of trade secret information present in this State.
Discovery or inspection of trade secret, formula, or the like. 17 ALR2d 383.
In camera trial or hearing and other procedures to safeguard trade secret or the like against undue disclosure in course of civil action involving trade secret. 62 ALR2d 509.
Disclosure of trade secret in court proceedings as abandonment of secrecy. 58 ALR3d 1318.
Discovery of trade secret in state court action. 75 ALR4th 1009.
Waiver of evidentiary privilege by inadvertent disclosure--state law. 51 ALR5th 603.
Propriety of federal court's exclusion of public from criminal or civil trial in order to protect trade secret. 69 ALR Fed 892.