investigative services

Trademark Investigations

ISC represents a majority of the trademark holders, within the apparel industry facing trademark infringement. Mr. Voyles has been qualified as an Expert Witness by the U.S. Federal Court in the area of counterfeit apparel and accessories and the values thereof.

Brand Protection

Brand protection is important to all businesses - large or small. ISC continually monitors businesses, as well as websites for those businesses, and investigates Copyrights, Trademarks, Patents, Domains, Brand Protection, Design Protection and intellectual property rights infringements.

Cease and Desist Letters

ISC offers the service of civil Cease & Desist letters on behalf of Trademark and Intellectual Property Rights owners. ISC also has approved custodial storage facilities for civil cases.

Assisting Law Enforcement

The ISC team works closely with local and federal law enforcement agencies. ISC is available to conduct training on the methods of conducting intellectual property cases and identifying products as counterfeit or authentic.

Internet Services

ISC frequently conducts undercover internet purchases and investigates the seller's true identity.


The above provides only a brief description of what IPR investigations encompass.  With ISC’s experience of over 7,000 cases, we can tailor a program to fit your specific needs. 

Please contact ISC for further questions and to discuss details. 

report trademark counterfeit

Report Trademark Counterfeiting

file a report

Main Address

Investigation Services Company, LLC
2636 Meadowbrook Drive
Fort Worth, Texas 76103

Mailing Address

Investigation Services Company, LLC
PO Box 471704
Fort Worth, Texas 76147

Contact Us

Phone: 817-534-4400
Fax: 817-534-0400
General Inquiry
Report Trademark Counterfeiting

Investigation Services Company, LLC is licensed by the Texas Department of Public Safety - License #A11514.