Patent Online Services

Patent Online Services is a central location where you can access resources that allow you to search, file, view and obtain status for patents. The following tools and web sites are available to aid you in your patent process.

Electronic Filing System (Patent Center)

Apply for a patent using Patent Center:


Priority Document Exchange (PDX)

Program for direct electronic priority document exchange with participating foreign intellectual property offices (EPO, JPO, KIPO, and WIPO)

Visit PDX

Publication Site for Issued and Published Sequences (PSIPS)

Search for published patent sequences.


Assignment Center

To assign ownership of a patent.

Assignment Center

Patent Assignment Search

Search for patent assignments.

Visit Patent Assignment Search

Official Gazette Online

View weekly published patents in the Official Gazette Online .

Patent Attorney/Agent Search

Search for registered patent attorneys or agents .