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Thomson Scientific Extends Patent Data, Functionality of INPADOC

Enhanced Database on Dialog Offers New Content, Indexing and Output Options

Philadelphia, PA USA-London UK, October 10, 2007 — Thomson Scientific, part of The Thomson Corporation (NYSE: TOC; TSX: TOC) and leading provider of information solutions to the worldwide research and business communities, today announced that the INPADOC/Patent Family and Legal Status database on Dialog has been enhanced with an extended content set, additional search capabilities and more comprehensive results for patent searchers. For a complete list of enhancements, visit www.dialog.com/inpadoc.

INPADOC (File 345 on Dialog) is a comprehensive resource of approximately 62.5 million patents represented in 34 million patent family records from more than 80 countries. The INPADOC database on Dialog is unique because it brings together equivalent patents that share common priorities for a particular invention in a single family record.

"We continue to expand our patent coverage on Dialog, as well as make the search experience faster and easier," said Geoffrey Dick, Director of Publisher Management, Thomson Scientific. "With the additional content and functionality added to the INPADOC database, patent researchers will gain greater insights from patent data."

Enhancements to INPADOC on Dialog include:

• New Content:
• Approximately 10 million family records will be enhanced with either abstracts, search reports or both.
• Approximately 100,000 19th century patents available.
• Cited references are available for both searching and display, making prior art and patent infringement screening more effective.
• The format of all patent application and publication numbers has been normalized for consistency and ease of retrieval.
• Each patent in the patent family table includes the week it was originally added to the database.

• Indexing:
• Indexing has been enhanced with the addition of new fields and searchable European Classification (ECLA) codes, among other changes.

• Display Enhancements:
• INPADOC data is better organized and easier to read when displayed in Dialog interfaces supporting HTML.
• New alerting formats provide a summary of changes to the record made in the current update which allows you to pinpoint new information more easily.
• All full formats include the patent family table.
• Data presented in table format, such as patent families, priorities, and IPC codes can be easily cut and pasted into spreadsheet and word processing software.

Thomson Scientific provides access to more than 50 million patent records from more than 80 countries and authorities through its Dialog platform. Other patent databases accessible via Dialog include Derwent World Patents Index® (DWPI^SM), Derwent World Patents Index First View^SM, Derwent Patents Citation Index, LitAlert®, CLAIMS®/US Patents, European Patents Fulltext, German Patents Fulltext, IMS Patent Focus, JAPIO, US Patents Fulltext, WIPO/PCT Patents Fulltext and more.

About The Thomson Corporation
The Thomson Corporation (www.thomson.com) is a global leader in providing essential electronic workflow solutions to business and professional customers. With operational headquarters in Stamford, Conn., Thomson provides value-added information, software tools and applications to professionals in the fields of law, tax, accounting, financial services, scientific research and healthcare. The Corporation's common shares are listed on the New York and Toronto stock exchanges (NYSE: TOC; TSX: TOC).

Thomson Scientific is a business of The Thomson Corporation. Its information solutions assist professionals at every stage of research and development—from discovery to analysis to product development and distribution. Thomson Scientific information solutions can be found at scientific.thomson.com.

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