Links
| This is the official Web site of the European Patent Office, the executive body of the European Patent Organisation. |
 www.european-patent-office.org/index.en.php| The Patent Office is the UK body that is responsible for copyright, designs, patents and trade marks. |
www.patent.gov.uk/| The only official Web site of the United States Patent and Trademark Office, an Agency of the U. S. Department of Commerce |
www.uspto.gov | |
