Free Patents Online
The Free Patents Online search engine is one of the most powerful, fastest and easiest patent search engines on the web. Their search allows advanced search techniques such as word stemming, proximity searching, relevancy ranking and search term weighting to help you find exactly what you are looking for. And, their account features let you organize, annotate and share documents, and Alerts let you instantly be notified when new documents of interest are published.
Document Delivery All documents are available in a highly-compressed PDF format for fast downloading, with or without searchable text.
Research Tools Free Patents Online has created a number of widgets for the patent professional and those interested in intellectual property. These include:
- Google Toolbar Plugin – Add the Free Patents Online search to the Google Toolbar.
- Search Box – Put the Free Patents Online search on your site!
- Patent Plaque – Inventors and Assignees can create virtual plaques to showcase their inventions and link to the full text of their patent.
United States Patent and Trademark Office – USPTO – Home
United States Patent and Trademark Office – USPTO – Search
United States Patent and Trademark Office – USPTO – Images Help
Note: To view Patent Images from the USPTO website you often need to install a browser TIFF viewer plug-in such as AlternaTIFF or more recently Quicktime from Apple.
Canadian Intellectual Property Office – Home
Canadian Intellectual Property Office – Search
UK Intellectual Property Office – Home
UK Intellectual Property Office – Search
European Patent Office – Home – Search
European industry, the EPO has set up an Asia Helpdesk
or try the Industrial Property Digital Library (IPDL) which offers public access to IP Gazettes of the Japanese Patent Office free of charge through the Internet.
IP Australia – Home
IP Australia – Search
IP India – Home
IP India – Search
IP China – Home
IP China – Search