А. Е. Рыхторова Sci-tech development requires commercialization of urgent and competitive intellectual solutions, and innovative products. The clear idea of the national and global patent landscape and the status in individual sci-tech sectors has to be produced to analyze the competitive environment, to minimize the risk of duplication and violation of patent rights, and to provide efficient technological transfer and cooperation between researchers and inventors. The open science concept facilitates consolidated patent databases, comprising open patent analytic tools. The purpose of the paper is to present the analysis findings for the largest open conso-lidated patent databases through the lens of library use. To achieve this, the author 1) analyzed how the libraries utilized patent information, 2) selected and analyzed several services and platforms, e. g. The Lens, Patentscope, and Espacenet. The possibility to track cross-citation of patent and science literature, availability of basic analytical instruments to define patent activity by year, IPC codes, disciplines, to identify large patent owners, applicants, grant makers, most cited works, including by citation year, and to analyze extent of technology fundamental development and practical readiness, make the advantages of open consolidated patent databases. The open sources are characterized by database uneven depth, information gaps due to the sources of acquisition, and the difficulty in attributing documents in national languages. Nevertheless, the open platforms and services are the key source for basic patent analytics essential to substantiate the relevancy of research and development.
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