For design patent applications, the foreign filing deadline is 6 months from the priority date.

For utility patent applications, the foreign filing deadline is 1 year from the priority date.  A PCT application extends the foreign filing deadline by an additional 18 months for a total of 30 months from the priority date.  Of course, any patent protection for non-PCT countries must be filed within 12 months of the priority date.  Here’s a timeline of foreign filing deadlines for utility patent applications.

The following two tabs change content below.
Vic Lin

Vic Lin

Startup Patent Attorney | IP Chair at Innovation Capital Law Group
We love working with startups and small businesses. I help entrepreneurs protect their intellectual property so they can reach their business goals.