Derwent Patent Search (formerly Derwent Innovation)
Patent search results you can trust
Answer your patent search questions with speed and precision
Derwent Patent Search software helps patent professionals make faster, more confident patentability, freedom-to-operate (FTO) and validity decisions.
Increase your confidence in patent search results
Review patent search results quickly
Search the same patent prior art data used by 40 global PTOs
The right tools to save you time - from AI patent search to expert keyword search
High confidence patentability and knock-out searches
Priority date and classification corrections along with accurate invention summaries help you assess patentability with speed and confidence.
Efficient and effective global FTO analysis
Correlated patent litigation case data from 140+ jurisdictions and reliable legal status data for faster, more informed freedom-to-operate decisions (FTO).
Invalidity searches that deliver
Powerful patent search tools, manually-curated indexing and comprehensive global patent data help you find the right prior art when the stakes are high.
Why choose Derwent Patent Search for patent prior art searching?
With comprehensive, high-quality data, expert-written invention summaries, AI search and advanced search modes, Derwent provides the answers you can trust and the productivity tools your team needs.
Comprehensive global patent data
Search confidently with enhanced full-text patent data from 76 jurisdictions and bibliographic data from 109 jurisdictions covering 178m+ patent publications.
Invention summaries authored by subject matter experts
Clear descriptions of novelty, use and advantage significantly improve search results and help you quickly understand a patent’s claims.
Correlated patent litigation data for 140+ jurisdictions
Quickly see which patents in your search results have been litigated in 140+ jurisdictions; see litigation history and details for each case.
AI Search for fast, reliable patent search results
Using a large-language AI model trained on DWPI, AI Search delivers highly relevant results to help you save time making patentability and FTO decisions.
An unparalleled combination of AI tools, human-authored summaries and enriched data you can trust
For faster, higher confidence patentability, FTO and validity decisions, Derwent Patent Search delivers reliable results without the noise.
Unparalleled expert patent search capabilities
Powerful keyword and AI patent search, 300+ searchable fields and intuitive search management tools make it easy for you to create, combine and manage complex patent searches.
Global citations grouped by invention family
Obtain a comprehensive view of an invention’s origins and influence with global forward, backward, literature and examiner citations all gathered under the single DWPI invention family.
Extensive Scientific Literature from the Web of Science
Find relevant non-patent publications from over 13,500 journals evaluated by the Web of Science editorial team.
Derwent Patent Search software by the numbers
70m+
76
178m+
140+
73m+
Resources
FAQs
Yes, if you’d like a free trial of Derwent Patent Search, please complete this form.
DWPI is a curated patent database covering 132m+ patents from 60 jurisdictions. Patents are consistently summarized, indexed and categorized by invention by a team of over 800 patent editors.
We correct, normalize and enhance the patent records available in Derwent Patent Search. Using advanced data science and AI models, we’re able to fill in missing fields, such as assignee. We normalize inventor and assignee names. We correct common errors such as incorrect priority dates and classifications.
Derwent AI Search helps users perform fast and accurate “first pass” prior art searches using natural language description or invention disclosure for patentability, freedom to operate (FTO) and knock-out searches, or to validate keyword search results.
