provided by
provided by FIZ Karlsruhe

New on STN

März 2014

The latest release of the new STN platform, provides enhanced features and content that enable searchers to work more proficiently

Februar 2014

Access INFULL and DEFULL databases with STN Viewer

Januar 2014

DWPI: Latest Manual Code Revision goes live

Meet us at

PATINFO 2014- 36. Kolloquium der Technischen Universität Ilmenau über Patentinformation, Ilmenau, 04.-06. Jun

ICIC 2014, Heidelberg, 12.-14. Oct

STN User Meetings

Frankfurt, 06.05.2014
München, 13.05.2014
Essen, 22.05.2014

STN – the choice of patent experts

STN is an online database service that provides global access to published research, journal literature, patents, structures, sequences, properties, and other data. 

With STN, find precisely the patent and sci-tech information needed to make business-critical decisions:

  • Assess risk for future research endeavors
  • Defend corporate/organizational intellectual property
  • Track competitive intelligence for existing products and those under development
  • Access patent expiration and extension information
  • Support strategic business planning

STN is operated jointly by CAS and FIZ Karlsruhe worldwide and is represented in Japan by JAICI.

New STN Platform

The new STN platform is being designed and developed to turn the needs and priorities of today's patent experts into a state-of-the-art search and analysis system that works the way users do. Version Two of the new STN platform went live on December 15th , being a significant step in the development of the next generation of STN.
Read more

STN is revolutionizing patent searching for professionals. Catch a glimpse of exciting advancements on the horizon...

Featured Highlights

Derwent World Patents Index on STN 1993 – 2013

20 years of Derwent World Patents Index (DWPI) on STN: Milestones 1993-2013

STN joins Thomson Reuters in celebrating a milestone anniversary for the most trusted and comprehensive value-added patent information source: while the Derwent World Patents Index is honoured for its 50th anniversary, STN can look at successful 20 years of DWPI on STN. And with the brand new implementation of DWPI in New STN Version One, STN paves the way for many more successful years of DWPI on STN.

Today, the Derwent World Patents Index provides access to information from more than 50 million patents, giving details of over 24 million inventions. Every week data is added from nearly 50,000 new inventions from 50 sources, including the five most important patent offices (China, Europe, Japan, Korea, US) and the World Intellectual Property Organization.

DWPI on STN meets the requirements and daily challenges of the information professional. Both value-added content and first level data match with a sophisticated retrieval environment to obtain highly relevant search results. DWPI deep indexing is fully integrated and chemical structure searching is supported. STN users have the unique benefit of a powerful numeric search tool for biological, physical and chemical properties developed by FIZ Karlsruhe.

STN is the place to retrieve the best search results for every patent search in DWPI. See 20 good reasons to search DWPI on STN.

20 years of Derwent World Patents Index (DWPI) on STN: Milestones 1993-2013




50th Anniversary of DWPISM - The World's Most Trusted Source of Patent Information

The Intellectual Property (IP) & Science business of Thomson Reuters, the world’s leading source of intelligent information for businesses and professionals, announced the 50th anniversary of Derwent World Patents Index® (DWPISM), 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 50th 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.  

Read more about DWPISM