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United States Patents and Trademarks

A guide to locating patents, trademarks and related processes and sevices.

General US Patent Resources

Direct URL : https://www.uspto.gov/help/patent-help#patents

General index of faqs about patents, patent applications and processing and almost every other thing patent-related.

Direct URL : https://www.uspto.gov/learning-and-resources/inventors-entrepreneurs-resources

An ordered, topical guide to all aspects of patent drafting, submitting, evaluation, appeals and more.

Direct URL : https://www.uspto.gov/learning-and-resources/patent-and-trademark-practitioners/intellectual-property-legal-assistance

The cost of hiring competent legal representation is often a barrier when applying for a patent or trademark. The Office of Enrollment and Discipline oversees two programs that provide applicants with free options for acquiring intellectual property protection.

Published weekly - last 52 week available at the above link.

Previous issues from July 2 , 2002 to present can be found HERE

Contents: 

  • Browse by CPC (Coopreative Patent Classification) or USPC
  • Classification of Patents
  • Browse Granted Patents
  • Index of Patentees
  • Geographical Index of Inventors
  • Notices
  • Help
     
  • Patent Classification

Direct URL : https://www.uspto.gov/patents/search/classification-standards-and-development

Patent classification is a system for organizing all U.S. patent documents and other technical documents into specific technology groupings based on common subject matter. On January 1, 2013, the USPTO moved from using the United States Patent Classification (USPC) system to the Cooperative Patent Classification (CPC) system, a jointly developed system with the European Patent Office (EPO). CPC has now been adopted by many countries throughout the world.

See also 

Cooperative Patent Classification a classification system developed by the EPO and USPTO

Direct URL : https://www.uspto.gov/web/patents/classification/cpc/html/cpc.html

Direct URL : https://www.uspto.gov/patents/basics/international-patent-cooperation

The Office of International Patent Cooperation (OIPC) was established in 2014 to support and improve the international patent system. The office leads efforts to assist U.S. inventors and businesses in protecting their patent rights worldwide and supports the global innovation community. 

The office strives to improve the international patent system in two critical areas: increasing certainty of intellectual property (IP) rights and reducing costs for international stakeholders. Find out more about our initiatives and programs, which aim to improve quality and timeliness for international patent filers.  Current initiatives include:

  • Cooperative Patent Classification (CPC) 
  • Collaborative Search Pilot Program (CSP)
  • Patent Prosecution Highway (PPH)
  • Patent Cooperation Treaty (PCT)

and other international agreements and collaborations

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