Patent Terms Glossary

Patent Family

Definition:
A patent family is the same invention disclosed by a common inventor(s) and patented in more than one country.

DO

Definition:
Designated Office - the national Office or intergovernmental organization of or acting for the Contracting State designated by the applicant under Chapter I of the Patent Cooperation Treaty.

Canceled Claim

Definition:
A claim that is canceled or deleted. "Canceled" is the status identifier that should be used when a claim is canceled in an application.

PAC

Definition:
Patent Assistance Center (prior), now the Inventors Assistance Center or IAC.

Precautionary Designation

Definition:
Designation of a Contracting State in an international application filed under the Patent Cooperation Treaty which must be confirmed prior to 15 months from the priority date.

Consisting Essentially Of

Definition:
A transitional phrase that limits the scope of a claim to the specified materials or steps and those that do not materially affect the basic and novel characteristics of the claimed invention.

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