Patent Basics
The Patent Cooperation Treaty (PCT)
The PCT allows you to delay your time to
file in many (if not most) foreign countries. We have a
collection of pages explaining the PCT:
For Inventors...
Just for Fun
Patent Links
- Patent Databases (offsite links)
- USPTO patent
databases - issued US patents and published applications (keyword
searchable for patents after 1976 and all published applications)
- Google Patents (beta) - US
patents, keyword searchable back to 1789, in theory (in practice, the
OCR process for older patents can be unreliable)
- Delphion (formerly IBM)(subscription
required) - US, PCT, Japanese and European patents
- Espacenet - the European Patent
Office database - patents from many countries
- Depatis
- German Patent Office database - patents from many countries
- Canadian (CIPO)
patent database
- Japanese patent
databases
- List of standard data codes on printed
patents (INID codes)
- More Information on Patents:
Our page of links to Other Intellectual Property Resources
The United States Patent and Trademark
Office (USPTO)'s own website
Official Gazette of
the USPTO listing recently issued patents (offsite link)
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