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Patent Public Search has two user-selectable modern interfaces that provide enhanced access to prior art. The new, powerful, and flexible capabilities of the application will improve the overall patent searching process. If you are new to patent searches, or want to use the functionality that was available in the USPTO’s PatFT/AppFT, select ...

Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.. Use TI= to search in the title, AB= for the abstract, CL= for the claims, or TAC= for all three. For example, TI=(safety belt). Search by Cooperative Patent Classifications (CPCs): These are commonly used to represent ideas in place of keywords, and can also ...

PPUBS is a free online search tool for all U.S. published patent applications and patent grants. Currently, approximately 4,500 users are conducting patent searches with PPUBS each day in the U.S. and internationally, and close to 350,000 people have used PPUBS since it launched.

To start a quick lookup, enter a single patent or publication number and select the Search button. To start a basic search, select a search field, enter your search term, and select the Search button. ... United States Patent and Trademark Office. Browse By Topic . Browse By Topic. Patents; Trademarks; Learning & Resources; About the USPTO ...

The Lens serves all the patents and scholarly work in the world as a free, open and secure digital public good, with user privacy a paramount focus. ... Our patent search capabilities offer advanced boolean functions, structured search, biological search, classification search, filtering and sorting options to find the most relevant and ...

The following free online resources provide access to searchable patent applications, granted patents, and related information. USPTO Patent Public Search Allows searching of the full-text of granted U.S. patents from 1971 to the present, with limited information for U.S. patents dating back to 1790 and published patent applications from March ...

Search and view patent filings with the United States Patent and Trademark Office.

Please note: many other patent websites will provide some free information and will provide additional search types or features for a fee. If a free search does not produce results, do not assume a patent does not exist. Free-access databases have use search engines of varying quality, and patent search terms can vary tremendously from country to country.

Google Patents is our top recommendation among the free patent search engines. Google Patents indexes more than 18 million patent documents published worldwide including full-text data from major offices such as the USPTO, EPO, JPO, KPO, WIPO, and CNIPA. Google Patents also offers the ability to search within Google Scholar and Books ...

Free Patent Search Online With the Internet, performing free patent searches online is easier than ever. Below are some websites that you can use to perform a free patent search: USPTO. The U.S. Patent & Trademark Office provides free patent searching of its public databases. Google Patents. A relatively easy database to search which […]

Search by keyword, patent document number, and patent date. ... (formerly Patent Lens) Free, open-access resource for global patent search and analysis over 100 million patent records from 95 issuing organizations; scholarly search and analysis; and PatCite linking patents and scholarly articles. Google Patents. Full text of US patents to 1790 ...

Google Patents is our top recommendation among free patent search engines Google Patents indexes over 18 million published patent reports, including full-text information from notable jurisdictions such as the USPTO, EPO, JPO, KPO, WIPO, and CNIPA. Google Patents similarly provides the ability to search between Google Scholar and book repositories for non-patent writing using CPC plots.

Espacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.

Search and research millions of U.S. patents for free on Justia.com.

The U.S. and other countries have classification systems that categorize issued and pending patents into technology groups identified by a number, and these must be used in order to do a thorough search. Start with a keyword search in Google Patents to identify relevant patents, examine their classifications, and then search key classifications.

How to conduct a patent search, legal references and classifications, free online patent search databases, and professional search providers. Subtopics Classification System (7) ... United States Patent and Trademark Office List of all visitable PTDL libraries or use one of the Patent Full-Text and Full-Page Image Databases. The Full-Text ...

PPUBS is a free online search tool for all U.S. published patent applications and patent grants. Currently, approximately 4,500 users are conducting patent searches with PPUBS each day in the U.S. and internationally, and close to 350,000 people have used PPUBS since it launched.

Locate online patent services and information. Patent Center. File and manage patent applications online. Patent fees. View fees and pay online. Check application status. Check patent application status in Patent Center. Global Dossier. View international patent filings. Electronic Business Center. Support center for help with Patent Center and ...

Google Patents: Google’s patent search tool is a user-friendly way to search for both U.S. and international patents, but lacks the detailed search functionality of a USPTO search. LegalZoom patent search: If you’d rather leave the gruntwork to someone else, LegalZoom’s patent search service can provide you with a detailed comprehensive ...