HEATKEYS

This new search tool allows you not only to search the PCT database of about 1.6 million International Applications but also the patent collections of ARIPO, Cuba, Israel, Korea, Mexico, Singapore, South Africa and Vietnam. This search facility featu...

WIPO, The World Intellectual Property Organization (WIPO) homepage, entry point for information about industrial property and copyright.

Search Engine Land is a must read hub for news and information about search engine marketing, optimization and how search engines such as Google, Yahoo, Microsoft Live.com and Ask.com work for searchers.

The services of Patent Law Firm Wittmann Hernandez in Munich, Germany are directed to filing and prosecuting European patent applications, German patent applications, utility models, trademarks and designs as well as foreign filings in Europe and Ger...

iRossco is a web hub linking to various interests and associated entities.

Home page of the United States Patent and Trademark Office

Free detailed evaluations, comparisons, and ratings of patent search systems. Free patent search tools listed by country. Free patent resources categorized by technology. Free best practice articles in prior art searching.