What is a Preliminary Amendment?

What is a Preliminary Amendment? A Preliminary Amendment is a submission filed prior to the issuance of an Office Action in a patent application. The purpose of the Preliminary Amendment is to revise any of the following: specification, abstract, drawings and/or claims. What circumstances warrant a Preliminary Amendment? In a typical US national stage application, […]

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PCT national phase entry into foreign countries: What to know

What is the PCT national phase? A PCT application extends the deadline for filing utility patent applications in both the US and foreign countries. That extended due date, called the national stage deadline, is either 30 months or 31 months from the earliest filing date known as the priority date. By this extended filing deadline, […]

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