Söka och läsa patentdokument KTH

David Sundin

Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art. 2021-04-12 · Free patent search websites are ideal for gaining quick leads. It makes no sense to pay hefty amounts for a gigantic database only to search for a patent or two. Below listed are few free patent databases that might help you in your pursuit of patent data search and analysis. Google Patents; Espacenet; USPTO Web Patent Database; PQAI; Patentscope by WIPO This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also the worldwide patent collections. This search facility features: flexible search syntax; automatic word stemming and relevance ranking; as well as graphical results.

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You will find more information about our databases on the sites Search. Classification of technical IP rights. The International Patent Classification (IPC) Canadian Patents Database / Advanced Search. for the latest updated information of the database, see Currency of information. Search Criteria.

When searching for specific numbers in the Patent Number field, utility patent numbers are entered as one to eight numbers in length, excluding commas (which are optional, as are leading zeroes).

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Om man väljer Klassökning visas klasslistorna för CPC, det kooperativa patentklassystemet. SmartSearch är som standard kopplad till databasen Worldwide. Om  Vi har ingen information att visa om den här sidan.

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Patent Trial & Appeal Board Canadian patents search. Search for laid-open applications and patents granted since August 1978 via the Canadian Patent Database. Espacenet: free access to over 120 million patent documents.

Access to over 100 million patent documents provided by EPO. · Google Patent Search.
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Ask a question · At the library · Loan · Study facilities · Print & copy  SHIGA International Patent Office is one of the largest IP firms in Japan with more than 140 patent and trademark attorneys.

File a patent application online with EFS-web. Patent Center.
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U.S. Patent and Trademark Office - Organisationer

This database lets you access 92 years of patentdescriptions and images.