Manual of Patent Examining Procedure - MPEP

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2300 Interference Proceedings

2307.04 Additional Parties to Interference

During the course of an interference, the examiner may come across applications or patents of parties that claim the same invention, but are not already involved in the interference. If so, the examiner should consult with an Interference Practice Specialist (IPS) and prepare a referral of the suggested interference to the Board of Patent Appeals and Interferences in the same way that a referral is prepared in the first instance.

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