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FIZ Karlsruhe and Thomson Reuters Advance Chemical Structure Patent Search

Collaboration provides patent searching and assessment of Markush chemical structures, with Derwent Markush Resource fully integrated into the new STN search environment

Germany  ()

London, UK / Karlsruhe, Germany – November 2015FIZ Karlsruhe — Leibniz Institute for Information Infrastructure and the Intellectual Property (IP) & Science business of Thomson Reuters are pleased to announce that Derwent Markush Resource is now available on STN InternationalSM, the leading online service for research and patent information. Markush structures are widely used in chemical and pharmaceutical
patents to protect a family of related compounds within a single invention


The integration of Derwent Markush Resource into STN provides patent information professionals with a comprehensive view into the patentability of a chemical structure. The user-friendly environment includes all major chemical databases and enhanced structure displays allowing for a clearer understanding and significantly faster search and evaluation.  By presenting Markush structures alongside the comprehensive Derwent World Patents Index® (DWPISM) patent summaries, information professionals can conduct business critical searches, such as freedom to operate, with greater efficiency.


“We are proud to collaborate with FIZ Karlsruhe to accelerate the pace of innovation in the pharmaceutical and chemical sectors”, said Gordon Macomber, global head of innovation industries at Thomson Reuters IP & Science. “Through this partnership, we can provide comprehensive access to chemical structure data, seamlessly integrated with the world’s leading patent collection in Derwent World Patents Index. Patent research professionals can now assess the patentability of chemical structures more completely than ever before.”


“Markush searching is a challenging task mainly performed by patent information experts. FIZ Karlsruhe has developed a search environment for the Derwent Markush Resource to ensure complete and efficient searching of chemical patent information for the patent community. STN now offers a unique combination of content and powerful search functionality. Our customers will benefit from increased efficiency due to an improved workflow – from a precise search of generic structures to the identification of relevant chemical compounds in patents. The Derwent Markush Resource is an important pillar of our chemical patent information offer”, says Sabine Brünger-Weilandt, President and CEO of FIZ Karlsruhe.


Thomson Reuters Derwent Markush Resource contains more than 1.9 million generic chemical structures indexed from more than 780,000 patents worldwide, and complements Derwent World Patents Index® (DWPISM) and the Derwent Chemistry Resource (DCR), together providing a comprehensive collection of patent chemistry on STN.


About STN

The choice of patent experts, only STN® offers access to trusted scientific and technical information including the authoritative chemistry content from CAS and patent content from Thomson Reuters’ Derwent World Patents Index®. Intellectual property professionals and patent examiners at the world’s major patent offices and research organizations rely on STN for their information needs. STN is operated jointly by CAS and FIZ Karlsruhe worldwide.

About FIZ Karlsruhe

FIZ Karlsruhe – Leibniz Institute for Information Infrastructure ( is a not-for-profit limited liability company and the largest non-academic information infrastructure institution in Germany. As such, its public mission is to develop and provide products and services for an information infrastructure to science, research, and industry. FIZ Karlsruhe strives to strengthen the transfer of knowledge in Germany and abroad and to support the promotion of innovation. FIZ Karlsruhe is a member of the Leibniz Association, which comprises almost 90 institutions involved in research activities and/or the develop-

ment of scientific infrastructure.
Learn more by visiting us at , or follow us on Twitter (@fiznews).


About Thomson Reuters

Thomson Reuters is the world's leading source of intelligent information for businesses and professionals. We combine industry expertise with innovative technology to deliver critical information to leading decision makers in the financial and risk, legal, tax and accounting, intellectual property and science and media markets, powered by the world's most trusted news organization. For more information, go to



Press Contact FIZ Karlsruhe

Dr. Robert Hauser

Phone: +49 (0)7247 808-115


Marketing Communications

Rüdiger Mack

Phone: +49 (0)7247 808-513

Press Contact Thomson Reuters

David Russell

Senior PR Associate

Phone: +44 (0)207 4334657





FIZ Karlsruhe
Editorial Contact:
Ruediger Mack