Thomson Reuters

Derwent World Patents Index® (DWPI) is the world's most comprehensive database of enhanced patent documents. Thomson Scientific's subject experts analyze, abstract and manually index every patent record, making it easier for you to quickly find the information you need to make informed decisions. Whether you are interested in patents for their technical content, for business planning and development, or for protecting the innovations within your own organization — DWPI gives you the most complete picture possible.

DWPI contains over 15 million records covering more than 35 million patent documents, with coverage from over 41 major patent issuing authorities worldwide. DWPI provides unparalleled access to the world's patent literature with full coverage of agricultural and veterinary medicine, electronic/electrical engineering, chemistry, pharmaceuticals and polymers.

The world's most comprehensive collection of professionally abstracted and annotated patent documents  

With Derwent World Patents Index (DWPI), you can:

• Identify the patentability, infringement or validity of an innovation.
• Gain competitive intelligence and monitor industry trends.
• Uncover new markets and market opportunities.
• Identify licensing opportunities.
• Make "build vs. buy" decisions.
• Find solutions to technological problems.
• Research merger or acquisition candidates.
  

Why choose Derwent World Patents Index (DWPI)?

• Enhanced patent titles and abstracts.
• Unique classification and indexing.
• Flexible search options.
• Wide choice of delivery platforms.