2 votes

Restrictions on PCT filing based on nationality and residence

PCT application can be filed within 12 months of filing the US patent application to claim priority from your US application. Entering national stage follows the PCT international phase (after a ...
  • 81
2 votes

Circumventing non-entry into national phase

Extend past 30 months Each country/regional office has its own deadline and exceptions. For example, the EPO is 31 and 32 is ok in China with additional payments month deadline and it looks like it ...
  • 27.8k
1 vote

Is it possible to remove a restrictive term in the main claim of a PCT?

Different countries have different rules but there is normally no problem amending PCT claims when entering the national stage. You ask about the risk of invaliding your (not yet existing) patent. If ...
  • 27.8k
1 vote

What MUST be included in US non-provisional and PCT first filing, what can be added in amendments?

I will just include the mandatory recommendation here to get a patent attorney. If your invention is worth protecting, it's worth protecting properly. Otherwise, you're just throwing money away at ...
  • 6,168
1 vote
Accepted

Amendments that can be filed at the same time as entering U.S. national stage?

Is it possible to file amendments for the descriptions/drawings at the same time as entering US national phase? Yes. Preliminary amendments can be filed when a PCT application enters the national ...
  • 6,168

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