On August 17, 2017, four higher education publishers, Cengage, Elsevier, McGraw-Hill Education and Pearson Education, initiated five lawsuits against 40 alleged sellers of counterfeit textbooks, including two identified sellers: Yaroslav Stolyarchuk and Zichao Wang.
The case against Stolyarchuk was filed in the United States District Court for the Eastern District of California alleging the sale of counterfeit textbooks through seven identified online storefronts, including the defendant-operated website, www.booksliquidation.com.