This book explores the circumstances where the use of trade secrets may constitute the abuse of market dominance under competition law. Trade secrets have been valuable intangible assets for companies in the modern market. While it is imperative to protect trade secrets, noteworthy is that the exploitation of trade secrets may lead to anti-competitive concerns and may require antitrust intervention. By examining comparative experience from both sides of the Atlantic, this book provides specific suggestions for China's competition authorities to handle anti-monopoly cases concerning trade secrets. This book is of interest for readers in the field of competition law and intellectual property law, particularly for those who are researching on the interaction between antitrust and intellectual property law.