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Linda Hall Library
ResearchGuides
Free & Open Access Resources
Patents
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Free & Open Access Resources
This guide compiles free and open access resources available to researchers. With a focus on Linda Hall Library patrons, this guide prioritizes free resources geared towards science, technology, and engineering research.
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What Is Open Access?
Unpaywall
Google Scholar
Free Databases for Article Searching
Open Access Journal Articles by Publisher
Preprint Servers
Chemical and Material Information Sources
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Chemical Structure Editors
Open Access Books
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Open Textbooks
Open Dissertations
Patents
Technical Reports
Public Library Resources
Searching for Patents?
Patents are free to search and access.
Google Patents
Search full-text patents and applications from 100+ patent offices, including US, Europe, Japan, WIPO, China, Canada, UK, etc.
Espacenet
Database of 140+ million patent documents
Patent Public Search - US Patent & Trademark Office
USPTO database of US patents and patent applications
The Lens
Database of 127+ million patent records.
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