Litigation and Infringement Case Resources

• Justia.com — Search Infringements and Litigation.
• RFC EXpress — Search Intellectual Property Lawsuits.
• ITC Cases — Search International Trade Commission (ITC) cases using advanced Google government search.

US Patent Office 

Other Resources 

• Patent Application File History — Application Data, Transaction History, and Continuity Data
• View Patent Text and Pictures

• View Patent Text only

• Patent Classes -  Listed by Number or Title

• Download U.S. patents (in PDF) —Free full patent downloads in PDF format.
• Google Patent Search — Search US Patents, view summary, claim, abstract, drawings, description, and citations. You can also search inside the patent.
• FreePatentsOnline.com — Search US Patents, US Patent Applications, and European Patents using Word Stemming, Proximity Searching, Relevancy Ranking, and Search Term Weighting

• Free European, Japanese, Chinese, and Korean Patents — Download European, French, German, and UK Patents; Japanese, Chinese and Korean patents translated and in original language
• Foreign Patent Office Websites
• European Patent Office Online
• Surf related patents — Related patents will be presented for review.
• Delphion Patent Integrated View — Analytical tools, data extraction, graphical maps of citation links, etc.
• Global Database of Companies' Technical Disclosures      —Searchable Data Base of International Prior Art (IP).
• Process, Device, and Circuit Global Standard and Codes  —Searchable Database of Industry Codes and Standards
• PATWARE PatCitation On line
• Patent Citation On line — Data from 65 Patent Offices worldwide, citation relations showing all direct forward and backward cited patent numbers and their bibliographic data in relation to the requested patent number.