MPEP 2200

Citation of Prior Art and Ex Parte Reexamination of Patents

Quick Statistics:

Number of Pages:  199 pgs
Sections:  2201 – 2296

Brief Summary:

This chapter serves as a guide regarding the processing and filing of prior art citations and reexamination requests. The purpose for citing prior art in patent files is to inform the patent owner and the public in general that such patents or printed publications are in existence and should be considered when evaluating the validity of the patent claims in question. The examiner will consider these citations when examining the application.

Key Terms:

ReexaminationCitation of Prior ArtSubstantial New Question of Patentability
AmendmentsAppealConcurrent Proceedings

37 CFR (Code of Federal Regulations):

37 CFR 1.121Manner of making amendments in applications.
37 CFR 1.52Language, paper, writing, margins, compact disc specifications.

35 USC (United States Code):

35 USC 133Time for prosecuting application.
35 USC 305Conduct of reexamination proceedings.

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