Welcome to the Patent Cooperation Treaty (PCT)

Would you like to:

contact the PCT@WIPO to ask a question?

    • Call the PCT @ WIPO at +41 22 338 83 38 
      (from 9.00 a.m. to 6.00 p.m. Central European time)

    • Send a PCT question to WIPO: pct.infoline@wipo.int

gain a broad understanding of the PCT in a 3-minute overview video?  video

review a short written summary of how the PCT works 

increase your understanding of the PCT through additional introductory video presentations?

    • Introduction to the PCT  video
    • Basics of the PCT video

learn more through a short FAQ document about the PCT and how it works?

take a free introductory PCT Distance Learning Course?

consult recent statistics (in the PCT Yearly Review) about how the PCT system is being used?