Patent Terms Glossary

Interference

Definition:
A proceeding, conducted before the Board of Patent Appeals and Interferences (Board), to determine priority of invention between a pending application.

Pro Se

Definition:
Used to designate an independent inventor who has elected to file an application by themselves without the services of a licensed representative.

CD

Definition:
A type of form designation such as Form CD435, meaning a Commerce Department form.

Joint Inventor

Definition:
An inventor who is named with at least one other inventor in a patent application, wherein each inventor contributes to the conception of the invention set forth in at least one claim in a patent application.

Substantive Reasons For Refusal

Definition:
There are several substantive reasons for refusing registration of a mark. These include: likelihood of confusion; primarily merely descriptive or deceptively misdescriptive of the goods/services.

Group Art Unit

Definition:
A working unit responsible for a cluster of related patent art. Staffed by one supervisory patent examiner (SPE) and a number of patent examiners who determine patentability on applications for a patent.

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