What is inter partes reexamination?

Inter partes reexamination is a process that allows any third party to request a review of a patent issued from an original application filed on or after November 29, 1999. This process was available for requests filed prior to September 16, 2012. The MPEP 2609 states: The inter partes reexamination statute and rules permit any…

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How is prior art considered in inter partes reexamination?

In inter partes reexamination, the consideration of prior art is limited to specific types of documents. According to MPEP 2609: Prior art considered during reexamination is limited to prior patents or printed publications applied under the appropriate parts of 35 U.S.C. 102 and 103; This means that only patents and printed publications can be used…

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What are the expectations for parties involved in inter partes reexamination proceedings?

Parties involved in inter partes reexamination proceedings are expected to conduct themselves professionally and in accordance with USPTO regulations. The MPEP 2609 states: Patent owners and third party requesters are cautioned that the reexamination statute, regulations, and published examining procedures do not countenance so-called “litigation tactics” in reexamination proceedings. The parties are expected to conduct…

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