The publication comprehensively examines the origins of trademarks from the origins of trade in the Ancient East – to the present, their relationship to the genesis and evolution of trade, the use of brands (brand) to distinguish goods, as well as the need for legal protection of trademarks and trademarks. services) in law and case law. It is emphasized that in the XXI century. The value of the world’s most famous brands ( Apple, Google, Microsoft, Amazon, Facebook, Coca-Cola, etc.) now exceeds the state budgets of some countries, and their legal protection involves a set of legal instruments, including the potential of forensic intelligence property. However, the regulation of the legal regime for the protection of trademarks in international and national law has not led to the cessation of infringements of rights to this intellectual property. This is evidenced by numerous violations in Ukraine and abroad of the right to trademarks (marks for goods and services), their consideration in court and the involvement of forensic experts in court proceedings. Among the tasks that courts and litigants set before experts are the task of comparing specifi c trademarks, as well as comparing them with other objects, including those that cannot receive legal protection, such as trademarks. Solving these and other tasks for forensic experts requires appropriate methodological support, namely the preparation of a special methodology for conducting expert research of trademarks, which would take into account: a) amendments to current legislation; b) experience in conducting forensic examinations in the specialty 13.6 – «Research related to commercial (brand) names, trademarks (signs for goods and services), geographical indications»; c) existing methods, in particular the provisions of «Methods of expert research related to the means of individualization» (Reg. № 13.6.01 from 23.03.2018), which is generalizing to all means of individualization in the fi eld of legal protection of intellectual property , etc. The scope of application of the method of research of trademarks is determined.