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provided by FIZ Karlsruhe

New on STN

November 2015

Derwent Markush Resource now available on the new STN platform!

September 2015

New Version of Emtree Introduces over 800 New Terms to Embase on Classic STN and New STN

August 2015

DWPI: Manual Code Revision 2016 – Submit your Suggestions

STN User Meetings

Madrid, 24.11.2015
Barcelona, 25.11.2015
Erfurt, 01.12.2015


STN Viewer - A powerful workflow productivity tool for patent information users

STN® Viewer™ is a web-based workflow productivity tool for patent information users.  It is designed for simple management and evaluation of full-text patent documents from STN Express® answer sets. 

Product Overview

STN Viewer is the only patent evaluation tool integrated with the high-quality full-text patent databases on STN® and the precise searching capabilities and post-processing features of STN Express.

STN Viewer combines the power of STN with an easy-to-use interface for efficient patent management and evaluation.

Features and Benefits

With STN Viewer, you can:

  • Seamlessly transition from patent searching to patent evaluation
  • Quickly evaluate patents for relevancy
  • Reduce the time needed to evaluate large patents
  • Improve communication of patent evaluation results

Manage Patents:

Evaluate Patents:

Information on STN Viewer is also available in PDF.

Accessing STN Viewer

To use STN Viewer:

  1. Conduct a search in STN Express, Version 8.4 or higher, in one or more patent-containing databases
  2. Click an L-number or a patent number from a displayed patent record and select Evaluate with STN Viewer 

When Evaluate with STN Viewer is selected, patent documents are retrieved from STN full-text patent databases and sent to STN Viewer, launched in your default web browser.  Existing patent projects in STN Viewer may be accessed directly via the Web.