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Espacenet (formerly stylized as esp@cenet) [1] [2] is a free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation .
In 2014, Espacenet, Patentscope and Depatisnet were the main multinational patent databases offered by patent authorities which are available to the public free of charge. [6] Chemical search was made available in 2016, allowing non-chemists to also search for chemical information. [2]
The EPO offers on its web site several free services, including Espacenet and Open Patent Services (OPS) for searching within its collection of patent documents, the legal texts published in its Official Journal, the European Patent Register containing legal information relating to published European patent applications and European patents [59 ...
Search engine for natural and physical sciences, social sciences, and humanities. Incorporates arXiv, PubMed, and SciELO. Integrated with ORCID for overlay and peer review services. All articles display Altmetric scores. Free ScienceOpen [135] Scientific Information Database (SID) Engineering, technology, medical science, basic science, human ...
Advanced search options in various search engines (like DuckDuckGo or Google) can help to pinpoint coverage about topics. To narrow searches to specific sites, here's something that works in DuckDuckGo and Google searches (be sure to include the topic in quotation marks): "Search topic" site:www.siteexample.com This generates results only from ...
Espacenet – Google Patents – search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office (USPTO), European Patent Office (EPO), and World Intellectual Property Organization (WIPO). Patentscope –
General patent template for citing patents or patent applications from any country is drawn from the espacenet database. Template parameters [Edit template data] Parameter Description Type Status Country code country country-code country two-letter country code (ISO 3166-1 alpha-2); the top 10 countries by patent application in 2011 were: JP=Japan, CN=China, US=United States, KR=South Korea ...
The Cooperative Patent Classification (CPC) is a patent classification system, which has been jointly developed by the European Patent Office (EPO) and the United States Patent and Trademark Office (USPTO). [1]