How are supplemental examination requests assigned to specific art units?
Supplemental examination requests are assigned to specific art units within the Central Reexamination Unit (CRU) based on the technology area of the patent. According to the MPEP, The CRU art unit which examines the technology (Chemical, Electrical, Mechanical, etc.) in which the patent to be examined is currently classified as an original patent, will be…
Read MoreWhat is the significance of the first-listed CPC symbol in a patent application?
The first-listed CPC symbol in a patent application holds special significance. As stated in MPEP 909.01(a): “The first-listed CPC symbol is considered the controlling classification. The controlling classification generally determines the art unit to which the application will be routed for examination.” The importance of the first-listed CPC symbol includes: Determining the primary art unit…
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