CPA Global Discover

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Discover is a patent search tool launched by CPA Global in November 2010. The availability of the system is limited to CPA Global customers.


Data Coverage

Discover's data coverage appears comparable to that of LexisNexis TotalPatent, with a range of full text native language and English machine translations collections (it is not clear at this time whether native language collections are keyword searchable). Discover did not offer full text Japanese or Korean data as of its launch in November 2010.

A major feature of the product is the patent assignee normalization process, which uses corporate hierarchy and mergers/acquisition data to replace name variants with a standard name. US reassignment data is not included in the normalization process, but it is available in a separate field in the database.


CPA Global partnered with Microsoft's FAST(TM) search division to create the search algorithm for Discover. The company claims that this technology offers an advantage over older search technologies that are implemented in some of today's search products, such as the outdated BRS technology used in the USPTO's EAST database.

the inclusion of a “similarity” search that boasts natural language capabilities. The search system is able to handle large sections of text and create a proprietary search query based on “document vectors.”

Viewing Results

The Discover results page contains faceted navigation options which show data such as the top-ranking keyword terms, classifications, and normalized assignees in the results set. This faceted navigation pane can be use to filter the results set by restricting it to only specific terms of interest.

Discover offers a view mode which loads a mosaic view of patent drawing pages in a separate window.


Discover offers an interactive citation visualization model that appears similar to Thomson Innovation's citation mapping feature. Discover can also automatically generate bar charts and graphs based on statistical analysis of the results set.

A notable feature of the analysis module is that it can export graphs directly into Microsoft PowerPoint slides.

More Information

For more information about Discover, see this Intellogist blog post from November 2, 2010.

The post describes major features of the system, including an image browsing mode and a natural language processing "similarity search" capability.

A press release about Discover is available from PRNewswire, accessed November 1, 2010.

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