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903.02(c) Establishing Subclasses and Cross-Reference Art Collections - 900 Prior Art, Classification, Search

903.02(c) Establishing Subclasses and Cross-Reference Art Collections

When an examiner finds it desirable to create a new subclass or cross-reference art collection, the appropriate post classifier must be consulted before work is begun. The post classifier will assist the examiner in establishing any new subclass or cross-reference art collection by providing appropriate instructions on how to transfer patents from an existing subclass to a new subclass, obtaining any additional cross-reference copies that might be needed, determining the title of the newly established subclass or cross-reference art collection, and assigning the numeric designation to be placed on the new subclass or cross-reference art collection.

All newly created subclasses will be made official so as to be a part of the defined classification system and will thus appear in both the examiners' and Patent Search Room paper files. The intent is to accomplish this with a minimum amount of disruption to the examiners. Any examiner having the Technology Center (TC) Director's approval to create new sub-classes should contact the post classifier for his or her technology. As workload permits, a classifier will be assigned to cooperate with the examiner on the arrangement of the subclasses he or she wishes to establish and the definitions thereof. Then, the examiner will provide a marked-up computer printout of the patents in the subclass or subclasses being affected. On a time available basis, the examiner may be aided in this task by classification personnel.

When all documents have been assigned the appropriate classification, arrangements will be made for contractor processing of first the Patent Search Room copies, then the examiners' copies of the affected patents. New classification data will be added to the Subclass Data File (SDF) and Master Classification File (MCF) as appropriate, patent copies will be relabeled with the new classifcation information, and the documents will be refiled in the new classification array. Concurrently, all automated classification indices and systems, including the EAST and WEST search tools, will be updated to reflect the new classification changes.

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