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Thomson Reuters Derwent World Patents Index Celebrates 50 Years As The World's Most Trusted Source Of Patent Information

SEVILLE, Spain and ALEXANDRIA, Va., March 11, 2013 /PRNewswire/ -- The Intellectual Property (IP) & Science business of Thomson Reuters, the world's leading source of intelligent information for businesses and professionals, today announced the 50 th anniversary of Derwent World Patents Index ® (DWPI SM), its flagship, proprietary database that is the world's most trusted source of patent information. This announcement marks the start of a yearlong celebration in honor of DWPI, as well as the inclusion of the 50 th data source in DWPI: Indonesia.  On this milestone anniversary, DWPI continues to provide professionals with authoritative, editorially enhanced patent data from 48 worldwide patent authorities and two literature sources.  

Originating in 1963 , the Thomson Reuters DWPI database enables professionals to more easily research and understand the world's innovations through editorially curated, English-language abstracting and indexing of patent documents. Today, DWPI covers more than 23 million inventions (basic records/patent families) detailed in over 50 million patent documents and is used by more than 40 patent offices worldwide.

DWPI's reliable and enhanced patent data contains many key features that distinguish it as the most trusted source of patent research information available. Patent records contain descriptive titles, abstracts summarizing an invention's novelty using industry terminology, and corrections to important bibliographic information, including misspelled assignee and inventor names, erroneous priority data, missing classification codes and more. An expertly trained staff of several hundred editors applies over 5,000 rules to normalize, standardize, correct and enhance patent records resulting in approximately 6,000 corrections each week.

DWPI also features unique coding and indexing systems that are intellectually and consistently applied across all patent authorities and technologies allowing for precise, relevant and accurate retrieval of information.  The intensive editorial process and quality checks result in authoritative and accurate patent data giving users insights that might otherwise be missed.

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