market monitors

In the context of trademark, or product, counterfeiting, the monitoring of counterfeit market activities.

Staake, T. & Fleisch, E. (2008). Implementing Anti-Counterfeiting Measures, Countering Counterfeit Trade: Illicit Market Insights, Best-Practice Strategies, Management Toolbox. p. 84-85, Springer-Verlag Berlin Heidelberg, Germany.

https://www.springer.com/us/book/9783540769460