IP AND PATENT SEARCH LINKS

This section contains links for performing IP and Patent Search, and allows inventors to:

  • search prior art before submitting an application for filing patents and
  • check legal status and published documents of a patent application 18 months after filing.

Patent Search

Worldwide Patent Search

Patsnap provides access to more than 50 million worldwide patents published by the U.S., European (EP), Chinese (CN), Japanese, Korean, and Norwegian patent offices as well as the World Intellectual Property Organization (WO) and the International Patent Documentation Center. Full text/images are available for US, EP, WO, and CN patents and patent applications. This database also offers a number of analytical tools including citation analysis, patent tagging and indexing with multi-dimensional analysis charts. Users can create an individual account to access more features, such as downloading, saving and exporting queries and patent information, and receiving email alert of newly published patents based on the search query.

This is a worldwide database with over 50 millions published patent applications from 71 countries. It allows you to search bibliographic data, continuity data and legal status of a patent application. Published documents can be dowloaded in pdf format.

Country Specific Patent Search

This database allows you to search bibliographic data, continuity data, assignment records and transaction history of a US patent application. All documents filed with the patent office (including filed specification, issue of office actions, filed response to office actions, notice of allowance etc.) can be downloaded in pdf format.

This database allows you to search bibliographic data, legal status and published documents of a Chinese patent application. It allows search in English.

HKTDC Intellectual Property Portal

Intellectual Property Department and Overseas Patent Offices