US government USPTO web site
This is the only official Web site of the United States Patent and Trademark Office, a Performance-Based Organization of the Government of the United States of America, and an Agency of the U. S. Department of Commerce.

US government Official Gazette page
The Official Gazettes are composed of numerous sections. The front section consists of the text of regular and special notices, and is common to both the Patent and Trademark OGs. This is the material which can be found on this page.

USPTO links to foreign patent offices
A useful resource fot getting information to file patent drawings over seas.

Hieros Gamos’s intellectual property page
This section focus on the regulation of intangible rights regarding ideas, and tangible rights to use particular trademarks, patents and copyrights to produce goods and services. Included also are the rights to transfer these ideas, and compensation for transaction through licensing fees.

Intellectual Property Law by Oppedahl & Larson LLP
Oppedahl & Larson LLP is a law firm offering patent, copyright, trademark, trade secret, and other intellectual property services. This Web server is intended to provide information about intellectual property and about the firm.

Attorney Locator
This USPTO Index contains contact information for attorneys and agents with licenses to practice before the US Patent and Trademark Office. There are 6749 active agents and 21531 active attorneys.

Patent Information Users Group
Home Page for the Patent Information Users'Group (PIUG). The objective of the PIUG is to create a forum to discuss issues and concerns relevant to the patent searchers' community. Also, PIUG promotes the importance of intellectual property, especially patent publications, and most specifically, the computerized patent databases. Since 1988, PIUG has worked with intellectual property database producers and vendors to maintain and to improve the quality of their product from the customer, or user, perspective.

Delphion(formerly IBM) Patent Server
For international patent and us patent information, the Delphion intellectual property network's patent search database helps businesses perform intellectual property monitoring.

Patent News Services
InventNET is the first Internet-based international inventors organization helping inventors with their new ideas & new inventions since 1995.

Patent Cafe - Intellectual Property Portal
Patent Cafe's Intellectual Property Network, Patents ,Patent Search, Licensing, Inventors Resources, IP Directory and more, Patent Cafe has comprised an intellectual property network that covers most areas of ip law, patents, patent search, technology transfer, licensing and manufacturing, technology license, inventing, inventor tools and resources, patent attorneys resources, ip professionals, inventors, patents copyrights and trademarks, patent pending PPA, IP insurance and royalty-based loans and more.

General Information Concering patents
This publication contains a vast amount of general information concerning the application for and granting of patents provided in non-technical language. Intended especially for inventors, prospective applicants for patents, and students.

download all USPTO forms
All forms are the current PTO forms. Expiration dates on the forms are a requirement of the OMB approval process, and do not indicate a date beyond which the forms are invalid.

PIPERS PIPERS Worldwide Listing of Patent Attorneys PIPERS Worldwide Listing of Patent Attorneys & Patent Agents; Trade Mark Attorneys & Trade Mark Agents, & Intellectual Property Attorneys.

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