When.com Web Search

  1. Ads

    related to: looking up patent by number free results check

Search results

  1. Results From The WOW.Com Content Network
  2. Patent Application Information Retrieval - Wikipedia

    en.wikipedia.org/wiki/Patent_Application...

    Patent Application Information Retrieval (PAIR) is an online service provided by the United States Patent and Trademark Office to allow users to see the prosecution histories of United States patents and patent applications and obtain copies of documents filed therein. There are two services: Public PAIR, which allows the general public to ...

  3. Google Patents - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Google_Patents

    Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.

  4. Espacenet - Wikipedia

    en.wikipedia.org/wiki/Espacenet

    Espacenet (formerly stylized as esp@cenet) [1][2] is a free online service for searching patents and patent applications. Espacenet was developed by the European Patent Office (EPO) together with the member states of the European Patent Organisation. Most member states have an Espacenet service in their national language, and access to the EPO ...

  5. Patentscope - Wikipedia

    en.wikipedia.org/wiki/Patentscope

    Online and developing. PATENTSCOPE is a global patent database and search system developed and maintained by the World Intellectual Property Organization. It provides free and open access to a vast collection of international patent documents, including patent applications, granted patents, and related technical information.

  6. Derwent World Patents Index - Wikipedia

    en.wikipedia.org/wiki/Derwent_World_Patents_Index

    The Derwent World Patents Index (DWPI) is a database containing patent applications and grants from 44 of the world's patent issuing authorities. [1] [2]Compiled in English by editorial staff, the database provides a short abstract detailing the nature and use of the invention described in a patent and is indexed into alphanumeric technology categories to allow retrieval of relevant patent ...

  7. USPTO registration examination - Wikipedia

    en.wikipedia.org/wiki/USPTO_registration_examination

    Before June 2004, the USPTO registration exam was a pencil-and-paper test given at approximately 15 locations around the country. The USPTO has moved to a computer-based examination which can be taken on any business day at any of several hundred Prometric locations around the country. A sample computerized exam is available to provide a feel ...

  1. Ad

    related to: looking up patent by number free results check