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In 2004, i.e. in the early years of Espacenet, Nancy Lambert considered that, although free, Espacenet, like the United States Patent and Trademark Office (USPTO) database of US patents, "still tend[ed] to have primitive search engines and in some cases rather cumbersome mechanisms to download patents."
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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]
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
Baidu Patents – 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 –
To find the answer, we used Google's search algorithm, and the answer is Stanford University. According to Quara user Tom McFarlane, "The invention was made by Larry Page while he was a graduate ...
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